| plainchant |
| Gregorian chant |
| acoustic(noun, piece, harmony, rock, soul) |
| air(noun, piece, harmony, rock, soul) |
| bebop(noun, piece, harmony, rock, soul) |
| cappella(noun, piece, harmony, rock, soul) |
| chamber(noun, piece, harmony, rock, soul) |
| chant |
| classical(noun, piece, harmony, rock, soul) |
| folk(noun, piece, harmony, rock, soul) |
| fusion(noun, piece, harmony, rock, soul) |
| hard rock(noun, expression, piece, harmony, rock) |
| harmonized(noun, piece, harmony, rock, soul) |
| harmony(noun, piece, rock, soul, tune) |
| heavy metal(noun, expression, piece, harmony, rock) |
| hymn(noun, piece, harmony, rock, soul) |
| instrumental(noun, piece, harmony, rock, soul) |
| jazz(noun, piece, harmony, rock, soul) |
| measure(noun, piece, harmony, rock, soul) |
| melody(noun, piece, harmony, rock, soul) |