The download route and its current limits
On Suno's website, locate the song in your Library or Workspace, open its three-dot menu, and choose an available audio download option. These steps follow Suno's official download guide. Select MP3 for AudioChords rather than video or a ZIP containing several files. Download eligibility has changed: the separate Suno help article updated September 3, 2026 describes credits and trial availability. Check your account and that current policy; this guide does not promise an unlimited or free export. Once the file is on your device, play it locally before opening the upload form.
Choose the version you intend to learn
Two exports of the same composition can have different introductions, endings, or vocal phrasing. Decide which version is your rehearsal reference before analyzing it. Give the local file a descriptive name that includes the arrangement or date. Keep an untouched copy so that later edits do not silently replace the source of your notes. Use audio you have permission to upload and work with; having a file on your device does not by itself establish permission for every use.
Check the practical limits
AudioChords accepts MP3 uploads up to seven minutes and twenty megabytes. Check both the duration and file size before you begin. Renaming a different audio format with an MP3 extension does not convert the audio. If you need a shorter practice excerpt, create it with your usual audio editor and leave enough lead in to hear the pulse before the section starts. Avoid cutting exactly on the chord you need to study, since the attack may be missing and the musical context can become ambiguous.
Listen before blaming the analysis
Play the chosen file from beginning to end at a comfortable listening level. Listen for a missing channel, accidental silence, abrupt edits, or heavy distortion that was not part of the intended arrangement. A dense or unusual mix may still be musically useful, but it deserves more careful checking than a clear accompaniment. Do not repeatedly compress or reexport the file hoping that each new copy will improve detection. Start with the best legitimate source available. After analysis, compare a familiar passage first; this gives you a grounded sense of how much manual verification the rest of the recording will need.
A practical file-selection example
Suppose you have three files: a four-minute MP3 at 9 MB, a nine-minute extended MP3 at 18 MB, and a four-minute WAV at 42 MB. The first fits both AudioChords limits. The second exceeds the duration limit even though its file size is small enough. The third is the wrong format and also too large. If you have permission to edit the second or third recording, use your own audio editor to create a suitable MP3 excerpt. Preserve a little context before the target section. Keep the original untouched, and label the excerpt with its start time so your rehearsal notes can refer back to the full recording.
Diagnose the stage that failed
A missing download option is a Suno account or availability question, not a chord-detection error. A file rejected before analysis calls for checking format and size. An uploaded song that exceeds the supported duration needs a shorter legitimate source. A successful upload with doubtful chords needs musical verification, not another filename extension. AudioChords accepts a local file through its upload form; a Suno share URL is not an MP3. Avoid third-party download workarounds when the official export is unavailable. If you already have an authorized local copy, use that copy and note its version. Retrying the same unsuitable file without changing the underlying problem will not make the analysis more useful.