Normal froglok - bard
High elf, Dark elf, skeleton, red imp, human (targetable) - rogue / bard masks, also froglok - bard only flute
Then you have:
vah - vah mask (all/all) [quest]
Dwarf ring: all all [no drop simple tmaps]
Halfling mask: all/all [no drop]
Fire illusion crown/range (ds) ...