Hey I'm not sure if this was mentioned yet, but you should check out "A Message from The Nile" by Mccoy Tyner. It features Elvin in that Free Jazz period right before he left for the Jazz Machine I believe. MAN! it's soooo killer. Elvin Jones is great and always inspirational to listen to.
... Part 1
His complex simplicity is soooooooo Elvin Jones!