Modes, illustrated

To go with the theory from the previous post, here are two examples of modal jazz.  This means that the improvisations are built from modes, not from sequences of chords.

First, what is probably the most famous modal jazz piece:  'So What', from Miles Davis' album Kind of Blue.

And next may be the first piece explicitly composed on modal principles:  'Milestones', from the album Milestones, also by Miles Dave, recorded about a year earlier (1958).

I