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Loudly is the strongest documented fit for a 120 BPM synthwave workflow. Its generator exposes BPM, key, structure, instruments and duration controls, and its supported genres include synthwave. AI Game Music Generator is a useful second option when you want a ready-made synthwave starting point, but the supplied information does not establish a 120 BPM control. Treat the exact tempo as a setting to verify before you build a track around it.
What A 120 BPM Synthwave Track Needs
At 120 BPM, every quarter note lands twice per second. That gives synthwave a steady, danceable grid for an eighth-note bass pulse, gated pads and drum-machine patterns. The tempo is fast enough for forward motion while leaving room for long reverb tails, sustained chords and melodic lead lines.
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A useful brief should specify more than “make synthwave.” State the tempo, tonal center, arrangement and texture you want. For example: “Instrumental synthwave at exactly 120 BPM, minor key, four-on-the-floor kick, pulsing eighth-note bass, gated analog pad, bright arpeggio, wide chorus, dramatic intro, 16-bar build, breakdown, final chorus, two minutes.” If you need vocals, identify whether you want a vocal hook or an instrumental bed; do not assume a generator’s voice or lyric rights cover your intended use.
- Pulse: Ask for a consistent 120 BPM beat and a bass pattern that locks to eighth notes.
- Palette: Name analog-style pads, a sequenced bass, arpeggiated synths, punchy electronic drums and a lead that can carry a short motif.
- Form: Describe an intro, build, main section, breakdown and final return so the result has usable edit points.
- Space: Request wide pads and controlled reverb, then check that the low end remains clear under the kick.
- Delivery: Decide whether you need MP3 for a draft or WAV for a production handoff; only use formats and rights the service actually provides.
Best 120 BPM Synthwave Generators Ranked
| Rank | Tool | Evidence For This Angle | Key Limitation To Check |
|---|---|---|---|
| 1 | Loudly | Synthwave genre; BPM, key, structure, instruments and duration controls; prompt, mood and song-formula inputs | Free generated tracks are limited to 30 seconds; paid licensing depends on plan terms |
| 2 | AI Game Music Generator | Published synthwave example; preview, fine-tune and download workflow; commercial license stated | 120 BPM control is not stated; songs cannot be private and are owned by the service |
1. Loudly
Loudly ranks first because the documented controls map directly to a 120 BPM synthwave brief. Its generator lets you create with genre, BPM, key, structure and other parameters. The same source says you can generate from a prompt, mood or song formula, then refine energy, key, BPM, structure, instruments and duration. Synthwave is listed among its supported genres.
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That combination makes a repeatable workflow possible: set the genre to synthwave, set BPM to 120, choose a key, then describe the arrangement you need. A practical prompt could be: “120 BPM synthwave, A minor, instrumental, four-on-the-floor drums, eighth-note bass ostinato, gated chorus pad, glassy arpeggio, restrained verse, rising pre-chorus and a wide final chorus.” Use the structure control to create clear sections, and adjust duration to match the edit or release format you have in mind.
Loudly also documents remixing uploaded audio, separated-stem exports, mastering, effects and distribution to streaming and social platforms. Those tools are relevant when the generator is only one part of a track: you could develop a 120 BPM idea, remix a permitted source, or prepare stems for further arrangement. The supplied information describes Loudly as web-based rather than native desktop software, so plan to work in its web interface.
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The free plan has a specific constraint: free generated tracks are limited to 30 seconds. The directory lists a Personal plan with AI music generation, downloads and commercial licensing as a monthly subscription option, while paid licensing rights depend on plan terms. Loudly’s generator page states that commercial licensing is included and describes the music as 100% royalty-free; read the applicable plan terms for the exact project and distribution rights before release. If uploaded audio contains another person’s voice, melody or recording, obtain the necessary permission before remixing it.
2. AI Game Music Generator
AI Game Music Generator has a directly relevant public example labeled “Synthwave” with a duration of 2:58. Its stated workflow is to preview, fine-tune and download tracks in MP3 or WAV, with a commercial license ready to ship. That makes it worth considering for a game, trailer or video that needs a synthwave reference quickly.
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The evidence does not state that this service accepts an exact BPM value or exposes a 120 BPM setting. Start by checking whether its fine-tuning controls let you set or confirm 120 BPM. If they do not, treat the generated piece as a source idea and verify its tempo in your own audio tool before syncing cuts, animation or gameplay. Do not describe a result as 120 BPM until you have measured or confirmed it.
The signup allowance is 60 credits, described as five AI music tracks. The site also states that the free plan includes five AI songs, while another published limit is 30 AI music tracks per month (360 credits). Because these figures refer to different allowances, check the current plan display to understand which applies to your account and billing period.
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- Full Creative Control - A dynamic 37-Key MPK Mini keybed for 3 full octaves of melodic and harmonic performance; Easily connect to your DAW or studio equipment with the USB-powered MIDI Controller
- Advanced Connectivity - Connect to different sound sources with CV/Gate and MIDI I/O; Control modular gear, sound modules, synthesizers, and more to bring new sound sources into your music production
- Native Kontrol Standard (NKS) Integration - Akai Professional and Native Instruments have partnered to bring NKS support to the MPK Controller series, get ready to Kontrol straight from your MPK
- Choose Your Exclusive Complimentary NKS Bundle - Browse and control Native Instruments presets and sound libraries; select one of three curated Komplete 15 Select bundles: Beats, Band, or Electronic
- Record and Compose Without a Computer - Connect to your production station and use the built-in 64-step sequencer featuring one track for drums and one for melodies or chords, with up to 8 notes each
Rights and privacy need special attention here. The supplied facts say songs cannot be kept private and songs are owned by aigamemusic, even though the site presents downloads with a commercial license. Read the service’s current terms to understand how that ownership interacts with your intended release, and avoid uploading confidential material. For any vocal, spoken-word or recognizable third-party content you add yourself, secure consent and the relevant permissions before publication.
How To Prompt For A Reliable 120 BPM Result
- Fix the tempo first: Write “120 BPM” at the beginning of the brief. On Loudly, also set BPM in the controls; with AI Game Music Generator, verify that the service actually honors the value.
- Define the groove: Specify four-on-the-floor kick, snare or clap on beats two and four, and an eighth-note bass pulse. These instructions describe the rhythmic behavior you need to check after generation.
- Choose a tonal mood: Name a minor key for a darker night-drive feel, or request a brighter major-key lift for the chorus. A key request does not guarantee that every generated part will stay in tune, so listen through transitions.
- Map the arrangement: Ask for an intro, verse or low-energy section, build, breakdown and final chorus. At 120 BPM, count bars while reviewing the export so edits land on the grid.
- Audit the file: Confirm the measured tempo, inspect the downbeat, listen for clipped transients and check whether the license covers your project. Keep proof of the plan or terms you relied on.
Which Generator Should You Choose?
| Need | Best Match | Reason |
|---|---|---|
| Exact 120 BPM experimentation | Loudly | BPM is an expressly documented generation and refinement control |
| A published synthwave reference around three minutes | AI Game Music Generator | The site lists a 2:58 synthwave example |
| Stem-oriented remix work | Loudly | Separated-stem export and uploaded-audio remixing are documented |
| Private unreleased material | Check before choosing | AI Game Music Generator states that songs cannot be kept private; Loudly’s supplied details do not state a privacy policy |
For a production that must land at 120 BPM, begin with Loudly because the tempo control is established in the available documentation. Keep AI Game Music Generator in the shortlist when its synthwave example, MP3/WAV downloads and stated commercial license fit your use, but confirm tempo, ownership and privacy terms first. In either case, the final quality check is musical and practical: measure the BPM, test the arrangement against your video or game timeline, and verify that every voice, sample and source recording was used with permission.
Quick Recap
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