Choirmaster Gareth Malone joins forces with the BBC Singers to explore the styles and techniques that create a choir. He finds out why there are four sections, what is polyphony, what links Bach and the Beach Boys, what difference the venue makes and what is the choral combination that is guaranteed to touch an emotional chord.
| Name | Type | Role | |
|---|---|---|---|
| Gareth Malone | Guest Star | ||
| Rob McCabe | Director |