Extraordinarily busy this week, but there's always time for a groove o' the day, so here's Whipping Post, by the Allman Brothers. Butch Trucks and Jaimoe Johnson are on drums, apparently playing basically in unison.
The opening, in 11/8. I was too rushed to include a key, but you should be able to figure it out by now.
The second time through the 11/8 section:
On the verse and solo is an unusual 6/8 groove— just double this up if you want to count it in 12/8. The cymbal part is played on the ride; the bass drum notes in parentheses are optional.
On the chorus there's a more standard 12/8 rock feel, with fills every measure.
Audio after the break:
And here's a fun rendition of the song played by Zappa's band, with Chad Wackerman on the drums: