| Answer | Crossword Clue |
|---|---|
| IOU | Three-word note. |
| TRIPLET | Three-note grouping |
| EIEIO | Three-note quintet |
| TRIADS | Three-note chords |
| TRIAD | Three-note chord |
| TRIAD | Three note chord |
| TRITONES | Musical three-note intervals |
| SOL | Only three-letter scale note |
| NBC | Network with a three-note theme |
| LAREDO | "Streets of ..." (song about a three-note city?) |
