He didn't say anything about forming a trio, but I think he had it in the back of his mind.

They form three couples, and then an occasional trio.

He also formed a trio with two local friends.

The three, realizing that they could harmonize together, decided to form a trio.

The three of them had formed a trio within the group.

At age 18, he formed a trio that played only his own compositions.

"Did they adopt her at age eight, to form a trio?"

Together they form a trio, with Einstein as their great, priceless treasure.

After a while he started to get back the interest for jazz again and formed a trio with some local artists.

In 1956, at the age of eighteen he formed a trio.