### Clue: Hopeless with pitch that's firm? Australia following on edgily at first (4-4)
### Answer: TONE-DEAF 
 ### Explanation: Definition: Hopeless with pitch
A charade of TONED ('firm' of muscles) plus E ('**E**dgily at first') plus A ('Australia' – **not** IVR, but it's in Chambers) plus F ('following').