1a. 2words. 8.2. New Age music or mamma mia!.
G-a-i-u- --.
5d. 10 lets. Girl starts to insist one's not a good teacher?. --s-----r-.
12a. 8lets. Spiteful. individual's heart has to die. ---e-i-h.
14a. 3words. 4.3.5. US sitcom using endless cunning to secure good run. -i-l --- g-a-e.
21a. 6lets. OK after a fine romance.-f-a--.
19d. 6lets. Run inside with earth worm.
---t-e.