Type of pitch popular with all sides today (4)
I believe the answer is:
rock
'type of pitch' is the definition.
I cannot understand how the remainder of the clue works.
Can you help me to learn more?
(Other definitions for rock that I've seen before include "Stagger" , "Seaside confectionery" , "wobble" , "Boulder - oscillate - sweetmeat" , "8 - -" .)