Create a ring of octaves

octs  start (note), num_octaves (pos_int)

Create a ring of successive octaves starting at start for num_octaves.

Introduced in v2.8

Examples

# Example 1

(octs 60, 2)

#=> (ring 60, 72)

# Example 2

(octs :e3, 3)

#=> (ring 52, 64, 76)