The most common and most likely answer to this crossword clue is the 5 letter word REMIX
I've seen this crossword clue in The Sunday Telegraph
R
E
M
I
X
Buddy explains!

The straight part
We know that "changed recording" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case changed recording = remix.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does REMIX mean?
REMIX noun- A rearrangement of an older piece of music, possibly including various cosmetic changes.
- A piece of music formed by combining existing pieces of music together, possibly including various other cosmetic changes
- To mix again.
- To create a remix.
- To rearrange or radically alter (a particular piece of music).
- To modify (a work in any medium).