Related Clues:
- Sing warblingly
- The call of the hills
- Interpreter was quiet with single book
- Sing as Swiss do
- Say why poetry student might sing high
- Sing using falsetto
- Falsetto singing
- Make an offpeak call?
- Sing (Alpine folk music)
- Some gentle doyen promoted song
- Skilled performer in open next to fail
- Effect of Swiss air?
- Person who interprets or explains
- Make an off-peak call in Switzerland
- Person who explains or interprets