What does the cryptic crossword clue "Hear a pal in rap, changing bits and pieces (13)" mean?

The wordplay uses an anagram. anagram of HEARAPALINRAP ("Hear a pal in rap,") [anagram: "changing"] = PARAPHERNALIA The answer is PARAPHERNALIA.

Hear a pal in rap, changing bits and pieces (13)

Times Cryptic #29082 | 12 Across | 2024-11-23 flower