### Clue: Male holding very large pipe starts to hum October Song etc (4)
### Answer: HOSE 
 ### Explanation: Definition: pipe
 Double wordplay.  1st: HE(a male pronoun) **containing**(holding) OS(abbrev. for "outsize";very large); and 2nd:  **The respective 1st letters of**(starts to) "hum October Song etc".