The most common and most likely answer to this crossword clue is the 6 letter word LYDIAN
L
Y
D
I
A
N
More clues leading to the result LYDIAN
Buddy explains!
The straight part
We know that "soft and slow/ (6)" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case soft and slow/ (6) = lydian.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.