First Bowie,  then Glen Frey, and now Paul Kantner.   Sure makes a body feel old.    I remember buying "Volunteers" the day it came out,  and letting it play for hours on my cheap automatic turntable as I did my junior high homework.  I used to sing "The Baby Tree" to my kids when they were small.   To this day, the hottest rock star I ever saw was Gracie  (yeah, she's gotten older too).   
Watch Her Ride is a great song,  from the Airplane's greatest record, IMO,  Baxter's.   Thanks for the vid,  E-Ace. 
Here's hoping that Kantner,  a notorious atheist,  now knows there's a merciful God,  and is up on A-Deck gazing at the stars.