O.Q.P.
- Pæan, [75].
- Palestrina, [176], [186],
[205], [210],
[246].
- Pan's Pipe, [9], [10],
[11], [12],
[62].
- Pantomime, [93], [177].
- Passecaille, [181].
- Passepied, [182].
- Passion plays, [125], [206].
- Pavane, [182].
- Pentatonic, [149], [151].
- Pergolesi, [210].
- Peri, [209], [231].
- Period, [179].
- Periodicity, [24], [28],
[265].
- Peru, [66], [67].
- Pescetti, [195].
- Phrase, [179], [190].
- Phrygian mode, [76], [83].
- Piano, [29], [230].
- Piccini, [213].
- Pindar, [27], [72], [90].
- Pipe, [6], [10],
[11], [13],
[14], [28],
[30], [37],
[44].
- Pitch, [269].
- Plato, [11], [49].
- Plutarch, [195].
- Poe, [266].
- Poetry, [24].
- Polacca, [182].
- Polka, [183].
- Polonaise, [182].
- Porpora, [210].
- Portuguese, [152].
- Prelude, [189].
-
Prescott, [66].
- Procrustes, [27].
- Programme music, [190], [199],
[203], [255].
- Psalms, [34].
- Psaltery, [33], [131].
- Ptolemy, [85].
- Purcell, [176].
- Pythagoras, [49], [72],
[79], [82],
[97].