From phrase to song

SIDJ sequences phrases of notes and commands for the SID chip, then chains them into a song.

• A phrase is 16 steps of notes and commands.
• A chain plays phrases in a row.
• A song arranges chains on three channels.

Live mode

Each channel loops its own chain. Queue the next one and it starts on the beat.

Beat repeat: hold a key to repeat the last steps of every channel. Let go and the song plays on.

• , 8 steps
• . 4 steps
• / 2 steps
• ; 1 step

What you need

• A Commodore 64 or C64 Ultimate
• A 1541 disk drive

Extras

• RAM Expansion Unit: undo, help pages, drum view, song slots
• Second SID: six channels
• 1351 mouse: click to edit, faders for live play