When talk show bands play an impromptu song, how do instantly play in the same key?

Question

When talk show bands play an impromptu song, how do instantly play in the same key?

In: Other

Answer 1

There are many ways to let the band know what key but a big one will be with hand signs. 3 fingers pointing up will mean 3 sharps in the key signature( A Major or F# minor) and 2 fingers pointing down will mean 2 flats in the key signature(Bb major or G minor)