What does the cryptic crossword clue "Singer of a lot of rock, as well as Gershwin (7)" mean?

The wordplay uses a charade (building blocks). SHAK (synonym="e") + IRA (synonym=""Gershwin"") = SHAKIRA The answer is SHAKIRA.

Singer of a lot of rock, as well as Gershwin (7)

Guardian Cryptic #29395 | 23 Across | 2024-05-29 flower