HOW TO ALIGN ALL TRACKS TO START IN AUDACITY

select all(ctrl a)

tracks > align > align tgt

tracks > align > start to zero

HOW TO MAKE STICKER IN ILLUSTRATOR

how to make sticker

make pathtouching the thing

don't offset path, just increase lines stroke thickness

object > expand

pathfinder: divide(btm left), unite(top left)

invert shape and fill