| h | Music.Theory.Duration.Name.Abbreviation |
| h' | Music.Theory.Duration.Name.Abbreviation |
| h'' | Music.Theory.Duration.Name.Abbreviation |
| hairpin_ascii | Music.Theory.Dynamic_Mark |
| Hairpin_T | Music.Theory.Dynamic_Mark |
| half_matrix_f | Music.Theory.Contour.Polansky_1992 |
| half_matrix_to_description | Music.Theory.Contour.Polansky_1992 |
| half_note | Music.Theory.Duration.Name |
| Half_Seq | Music.Theory.Xenakis.S4 |
| half_seq | Music.Theory.Xenakis.S4 |
| half_seq_of | Music.Theory.Xenakis.S4 |
| hammersmith_bob_triples | Music.Theory.Permutations.Morris_1984 |
| harmonicity | Music.Theory.Interval.Barlow_1987 |
| harmonicity_r | Music.Theory.Interval.Barlow_1987 |
| harmonic_series_cps | Music.Theory.Tuning |
| harmonic_series_cps_derived | Music.Theory.Tuning |
| harmonic_series_cps_n | Music.Theory.Tuning |
| harmonic_series_folded | Music.Theory.Tuning |
| harmonic_series_folded_21 | Music.Theory.Tuning |
| harmonic_series_folded_c | Music.Theory.Tuning |
| harrison_ditone | Music.Theory.Tuning.Alves |
| harrison_ditone_r | Music.Theory.Tuning.Alves |
| has_ess | Music.Theory.Z12.Drape_1999 |
| has_sc | Music.Theory.Z12.Drape_1999 |
| has_sc_pf | Music.Theory.Z12.Drape_1999 |
| histogram | Music.Theory.List |
| Hold | Music.Theory.Permutations.Morris_1984 |
| hours | Music.Theory.Time.Duration |
| hours_to_duration | Music.Theory.Time.Duration |
| hsr_to_pitch_detune | Music.Theory.Tuning.ET |
| HS_R | Music.Theory.Tuning.ET |
| hs_r_pitch_pp | Music.Theory.Tuning.ET |
| hs_r_pp | Music.Theory.Tuning.ET |