Comma pump: Difference between revisions
m Interwiki, Wikipedia box, misc. edits |
No edit summary |
||
| Line 6: | Line 6: | ||
}} | }} | ||
{{Wikipedia}} | {{Wikipedia}} | ||
[[File:Comma_pump_progressions.png|thumb|Schematic overview of three different kinds of progressions. A non-looping progression is an open path, both in JI and when tempered. A looping progression is a closed path. A '''comma pump''' is an open path in JI that becomes closed when tempered.]] | |||
A '''comma pump''' is a harmonic sequence (or chord progression) wherein the [[tonic]] shifts up or down by a [[comma]] every time the sequence is traversed. | A '''comma pump''' is a harmonic sequence (or chord progression) wherein the [[tonic]] shifts up or down by a [[comma]] every time the sequence is traversed. | ||