See a piece of world class art at least once a week ...
I remember going to a conference session a couple of years back where the speaker, possibly choral conducting guru James Jordan, said that in order for artists to stay fresh so they don't burn out, they should see a piece of world class art, something they really love, at least once a week. For musicians, it can often be great to see something non-musical, like a sculpture or a painting.
This really connected and musical reading of the Brahms Double Concerto arrived in my inbox yesterday. I am a huge fun of Rattle anyhow, and subscribe to these free snippets from the amazing Berlin Philarmonic website, so I get a free burst of world class classical music via Youtube every week. Unbelievable ensemble and they all seem to be really enjoying themselves too in a very unprofessional way!
Incidentally, also check out their digital concert hall for the way of the future - essentially you can see every concert they give live, because every concert is also a digital recording and a DVD, broadcast live through their website and then as a recording and video afterwards.