John Warren “J.” Geils Jr., February 20, 1946 – April 11, 2017, John Warren “J.” The group was led by John Jay Geils, guitarist. They toured the globe and sold millions of albums through the ’80s. Blues was the original focus of R.

John Warren “J.” Geils Jr., February 20, 1946 – April 11, 2017, John Warren “J.” The group was led by John Jay Geils, guitarist. They toured the globe and sold millions of albums through the ’80s. Blues was the original focus of R.