Covers keep dropping. Clear two that share an artist or a musician before the stack hits the top.

• 100 same artist
• 200 solo & side projects
• 300 deep cut: a musician who played on both records
• 150 wild card: links to anything. Two links in a row drop one

After a match the group stays open for a few seconds: tap another cover that links to it and it clears on its own at ×2, ×3, ×4…