I love this song! ... or a doubly apt description of 17-, 28- and 46-Across 10 letters

Crossword clues for I love this song! ... or a doubly apt description of 17-, 28- and 46-Across 10 letters:

THATSMYJAM: I love this song! ... or a doubly apt description of 17-, 28- and 46-Across