411 REFERENCE · Wiktionary
Hypoionian
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.
English
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Etymology
From en hypo Ionian.
Adjective
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en music Being or relating to the plagal mode on C, which uses the diatonic octave species from G to the G an octave higher, divided at its final, C.