Index - I
| Instruction | EuterpeaUtils |
| Instrument | EuterpeaUtils |
| instrument | EuterpeaUtils |
| InstrumentName | EuterpeaUtils |
| Interval | Types |
| intervals | Types |
| inverse | Types |
| inversionOf | Transformations |
| invert | EuterpeaUtils |
| invert1 | EuterpeaUtils |
| invertAt | EuterpeaUtils |
| invertAt1 | EuterpeaUtils |
| invertRetro | EuterpeaUtils |
| InvMordent | EuterpeaUtils |
| Ionian | EuterpeaUtils |