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tone-deaf

Hand it lyrics and a score, and it sings them: an AI voice on the melody, a synthesized band underneath.

The score is one plain text file: melody, lyrics under the notes, and the band's parts. A synthesizer plays the band; DiffSinger, an open model trained on real singing, sings every syllable on its note. It checks its own work by transcribing the song back and measuring every note's pitch. The name is a joke: the pitch is the one thing it gets right every time. The first try bent a speaking voice onto the notes, and it sounded like auto-tune.

tone-deaf
A wobbly voice in, a pitch-perfect one out. Press play below and the line sings along.

Listen

Raining in the Rain: an original test song, as tone-deaf sings it today (DiffSinger, voice TIGER by tigermeat, non-commercial)
The same song, first try: a speaking voice bent onto the notes. Perfect pitch, pure auto-tune.

The work behind it

Lines written
4,876
Files
31
Days worked
2
Commits
7
Started
9 Oct 2026
Last change
10 Oct 2026

What it would have cost

$18,000to have this built for you

$500what it is worth to own today

Prototype-heavy singing-synthesis tool; no users/revenue, value mostly as reusable code.

Average of 1 day of estimates, the last on 10 Oct 2026. How this is worked out.

All projects in the showroom · Ask for a seat

Measured 10 Oct 2026.