Roger, that was/is my usual modus. Writing a lyric and vocal melody to an existing "bed" was not something I'd ever considered until I started doing internet collaborations with much better instrumentalists/arrangers/composers. I found out that I had at least some facility with this "backwards" method, but it is much trickier, more challenging, and prone to failure than the "right" way. But when it works, I like the results better. There's something about the limitations that method imposes that can (when the stars align) inspire creativity, originality, and good editing.

BIAB 2021 Audiophile. Windows 10 64bit. Songwriter, lyricist, composer(?) loving all styles. Some pre-BIAB music from Farfetched Tangmo Band's first CD. https://alonetone.com/tangmo/playlists/close-to-the-ground