Turns out though he had headphones on, he wasn't listening to Safe as Milk. Instead, he was listening to an audio book, I am a Genius of Unspeakable Evil and I Want to be Your Class President. The author, Josh Lieb, must be fan of Don Van Vliet (the captain's real name), for the four or five paragraphs about him include a tribute to Trout Mask Replica.
It's been interesting watching--and occasionally singing along in the car--as my son discovers the music I listened to when I was in my teens. Last Halloween, he dressed up as Jimi Hendrix, and he's been taking lessons at School of Rock. So far, he's played in three concerts. Here's a song from the most recent one in June:
One of the neatest things about being a parent is watching your child discover new things. It's incredible to watch him having fun on stage. And just think of all the music (new and old) he has yet to hear for the first time!