Mock notes on journey (6)

I believe the answer is:

deride

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'mock' is the definition.
(deriding is a kind of mocking)

'notes on journey' is the wordplay.
'notes' becomes 'de' (two musical notes).
'on journey' becomes 'ride' (riding is a kind of journeying. I am not sure about the 'on' bit.).
'de'+'ride'='DERIDE'

Can you help me to learn more?

(Other definitions for deride that I've seen before include "Express contempt for" , "Mock, scorn" , "Jeer, belittle" , "Speak of with contempt" , "Knock" .)

I've seen this clue in The Mirror.

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