Gareth Malone is bringing his piano, guitar and conductor's baton to his very own music quiz. Two teams battle it out testing their skill and music knowledge to play the answer.
| Name | Type | Role | |
|---|---|---|---|
| John Thomson | Guest Star | ||
| Gareth Malone | Guest Star | ||
| Ed Balls | Guest Star | ||
| Rob Rouse | Guest Star | ||
| Pippa Evans | Guest Star | ||
| YolanDa Brown | Guest Star | ||
| JB Gill | Guest Star | ||
| Richard Beadle | Director |