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JAM notation
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<p>JAM is both the software and file format for representing music as human-readable and human-writable text. Unlike the <a href="/facts/Abc_notation/nptVRvLb">ABC</a> notation, another text-based music format, that is best suitable for one-voice tunes, JAM is mainly focused on chords. </p><p>Here is an example of jam notation: </p> ### LULLABY OF BIRDLAND Dm7 Bm7-5 | E7 A7 | Dm7 / | Gm7 C7 F+7 F7 | Bb+7 Bbm7 | F+7 / | Em7-5 A7 Dm7 Bm7-5 | E7 A7 | Dm7 / | Gm7 C7 F+7 F7 | Bb+7 Bbm7 | F+7 C7 | F+7 / Am7-5 D7 | Gm7 / | Gm7-5 C7 | F+7 / Am7-5 D7 | Gm7 / | Gm7-5 C7 | F+7 A7 Dm7 Bm7-5 | E7 A7 | Dm7 / | Gm7 C7 F+7 F7 | Bb+7 Bbm7 | F+7 C7 | F+7 <p>The software is proprietary, windows-only freeware. </p>