Yes, a tragic loss for Elvis Presley 'Oh Happy Day' and gospel music fans worldwide.
Wikipedia: Oh Happy Day 1967 gospel song
Wikipedia: Walter Hawkins
Love Center Ministries, Inc.: Walter Hawkins Biography
Songfacts: Oh Happy Day by The Edwin Hawkins Singers
The Edwin Hawkins Singers - Oh Happy Day
We Remember - Bishop Walter L. Hawkins
God Bless Bishop Walter L. Hawkins, his family, friends and fans.