Crossword puzzle clue "write back briefly"

"To write is to write is to write . . ." writer

He sang (but did not write) "I Write the Songs"

It may be used to write down a write-off

Write back briefly

"Push 'em back! Push 'em back! Way back!"?

Instrument often used in a flashback...back...back...back... *camera pans up everything goes blurry

Back-to-back-to-back championships

"You don't have to write me back," when texting