Force someone to go with Heavy Metal when the time arrives - Ozzy on lead opens singer's eyes (4,2,3,4)
I believe the answer is:
lead by the nose
'the time arrives ozzy on lead opens singer's eyes' is the definition.
I can't judge whether this definition defines the answer.
'force someone to go with heavy metal when' is the wordplay.
I cannot really see how this works, but
'force' could be 'nose' (nosing is a kind of forcing) and 'nose' is present in the answer.
'go' could be 'lead' (leading is a kind of going) and 'lead' is found in the answer.
'metal' could be 'th' (Th is an example) and 'th' is located in the answer.
'when' could be 'e' (I've seen this in other clues) and 'e' is present in the answer.
The remaining letters 'by' is a valid word which might be clued in a way I don't understand.
This may be the basis of clue (or it may be nonsense).
Can you help me to learn more?
(Other definitions for lead by the nose that I've seen before include "Force to follow submissively" , "Make (someone) follow submissively" , "Fool" , "Control (someone) totally" , "Cause to obey submissively" .)