William Emanuel Cobham Jr. is a Panamanian–American jazz drummer who came to prominence in the late 1960s and early 1970s with trumpeter Miles Davis and then with the Mahavishnu Orchestra.

Miroslav Ladislav Vitouš is a Czech jazz bassist. He is known as a founding member of the ensemble Weather Report, and for working as a bandleader and alongside Chick Corea, Jack DeJohnette and others