Crescent was the first Coltrane album I ever bought, and actually listened to (the first actual one was Om— a very challenging record, if you've never heard it), but it has always been a little bit of a dark horse for me— compared to other Coltrane recordings, the visceral emotionality I was seeking is very restrained here. It's very deep music, and it was probably too grown-up for me, honestly. Redman summarizes it perfectly in the comment above, and those are all qualities it has taken me a long time to learn to appreciate.
It is one of the very greatest things in 20th century music, and if you haven't listened to Crescent all the way through in a while, or ever, here it is:
