Few interesting IDs for the WoW Band Found these myself, but 1 or 2 of the morphs was via google. Others was just working around ones I knew.
Morph ID's
Singing Orc - 21665
Blood Elf with Guitar - 21666
Troll wth Guitar - 21662
Undead on Bass - 21659
Drumming Tauren - 21661
Morph IDs work for me when configuring vendors etc
Spawn ID's
Bergrisst - 23619
Chief Thunder Skins (Drummer) - 23623
Mai'Kyl - 23624
Samuro - 23625
Sig Nicious (Blood Elf) - 23626
Stage ID: 186300
EDIT: One of IDs was wrong :/