Music and drink bringing resonance (7)
I believe the answer is:
Here is my best explanation:
'resonance' is the definition.
'music and drink' is the wordplay.
'music' becomes 'rap' (I've seen this before**).
'and' says to put letters next to each other.
'drink' becomes 'port' (I've seen this before).
'bringing' acts as a link.
(Other definitions for rapport that I've seen before include "Sympathy", "Close and harmonious relationship", "Harmony", "Close relationship with a common understanding", "Understanding", "A harmonious and understanding relationship between people", "Instinctive understanding between people", "Mutual sensitivity and understanding", "close relationship" and "Empathy".)