The most common and most likely answer to this crossword clue is the 7 letter word ROCKIER
I've seen this crossword clue in The Times
R
O
C
K
I
E
R
Buddy explains!
The straight part
We know that "More like Stones/with a heavier beat?" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case more like stones/with a heavier beat? = rockier.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 ROCKIER mean?
ROCKIER adjective- Unstable; easily rocked.
- In the style of rock music.
- Troubled; or difficult; in danger or distress.
- Full of, or abounding in, rocks; consisting of rocks.
- Like a rock.
- Not easily impressed or affected; hard; unfeeling; obdurate