And here it finally is…

This list subject to change.

A-Alikes (Brooklyn NY)
a.armada (Athens GA)
Aberfeldy (Edinburgh UK)
Abe Vigoda (Los Angeles CA)
Abigail Washburn & the Sparrow Quartet with Bela Fleck (Nashville TN)
Acid Girls (Los Angeles CA)
The Acorn (Ottawa ON)
Activator (New York NY)
Adele (London UK)
Adept (Groningen THE NETHERLANDS)
Pierre Aderne (Rio de Janeiro BRAZIL)
Afenginn (Copenhagen DENMARK)
Afrobots (Los Angeles CA)
The Aggrolites [...] - Source