Conversation so far:
Is La Monte Young still actively making music?
CANNOTANSWER.
Have any albums been released since 1970?
In 1974, the two released Dream House.
Who is the other person in the "two"?
Zazeela.
Is Zazeela a relative?
CANNOTANSWER.
How long has he partnered with Zazeela?
Since the 1970s, Young and Zazeela have realized a long series of semi-permanent Dream House installations.

Question: Have their been any tours?
Self-contained rewrite: Have there been any tours with La Monte Young?