1981 FM: 80s Track Generator
Chaos-driven 80s track writer
About
This app generates complete, unique musical tracks using chaotic mathematical principles. It offers various styles, modes, and keys, with customizable FM synth sounds and effects. Tracks can be recreated using seeds and exported via MIDI.
What's New in 1981 FM
1.0.2
September 5, 2026
> New PLAY panel - play along with the track. • Pads in the track's own key, not a piano keyboard • A 16-step lane, in time with the track and your host • Accent and slide on any step • Choose which sections the lane plays in • Play any part: bass, acid, stabs, pad or lead, each on its own MIDI channel • AUDITION the lane without starting the track • REC what you play straight into the lane • Lane notes included in MIDI export > UI Scaling - you can now enlarge the ui to your liking. • Supported on Standalone, AUv3 instrument and midi fx. > Drum Midi Note/Channel selection • You can now route each drum kit to a different channel. > Export to Midi, Mixed Wav, Stems wav for Standalone only. • Added back the audio export feature similar to web app but only wav files.
MoreSubscriptions & In-App Purchases
$2.99
AUv3 Unlock
Unlock Audio Unit (AUv3) Instrument and Midi effect.
Developer apps
FAQ
What is 1981 FM?
1981 FM is a music application that generates complete, original tracks inspired by 80s music using chaotic mathematical algorithms. It features a four-operator FM synth, various effects, and allows for MIDI export.
How does 1981 FM generate music?
The app utilizes chaos mathematics, including the Lorenz attractor, Hénon map, and logistic map, to shape melody, rhythm, and mood. A filtering model ensures musicality by rewarding consonant intervals.
Can I recreate a track in 1981 FM?
Yes, every track generated by 1981 FM is built from a unique seed. By writing down this seed, you can recreate the exact same track note for note whenever you wish.
Does 1981 FM have ads?
No, 1981 FM is ad-free. The app states that it contains no advertisements, allowing for an uninterrupted music creation experience.
Is 1981 FM available on all devices?
1981 FM is supported on iPhone, iPad, and iPod. It functions offline, making it accessible without an internet connection.
What are the in-app purchases for 1981 FM?
The core application is free. In-app purchases are required for using the Audio Units (instrument and MIDI processor) within other music production applications, with a two-minute trial period for each AUv3 session.
How often is 1981 FM updated?
The latest version of 1981 FM is 1.0.1, which was last updated on September 3, 2026. The app was initially released on September 1, 2026.
What is the age rating for 1981 FM?
1981 FM has an age rating of 4+. This indicates it is suitable for a general audience, including children.
