| Oliver has a wonderfully sweet voice that is full-bodied and rich in harmonics. |
| Musically, they stroll rather than rock, constructing songs round punchy guitar harmonics and placid basslines. |
| He played with harmonics and double stops as though there had been a partner to his criminal musicality. |
| He multi-tracks the vocals on this song and the off-key harmonics of his offbeat voice work brilliantly. |
| The duet for soprano and mezzo and its glittering cabaletta are distinguished by daring harmonics and challenging pyrotechnics. |
| It provided a tone that was rich with upper-end harmonics and a full bass from the drone strings. |
