What the F?

Omi and Opi are Tia Tina's parents. Both are accomplished physicians and musicians (Opi is a composer of note,) both remarkably spry for octogenarians who (barely) survived WWII as teenagers in Hitler's Germany. What stories they have lived...



I've been vocalizing for months, but I'd never been "tuned" before:
according to Opi, I babble in the key of F:
Who knew? Opi and Omi, Danke schön for a great visit!