Solution

Marillion

27 concerts

Emerson, Lake & Palmer

7 concerts

Deep Purple

74 concerts

Hawkwind

2 concerts

Coheed and Cambria

37 concerts

Muse

35 concerts

Tool

9 concerts

Opeth

12 concerts

Mike Oldfield

3 concerts

Rick Wakeman

18 concerts

Buckethead

2 concerts

The Mars Volta

9 concerts

Plini

27 concerts

Queen

1 concert

RPWL

2 concerts

Angine de Poitrine

54 concerts