Doug Ingle, the original lead singer of the rock bandIron Butterfly, has died.

Ingles son, Doug Ingle Jr., shared the news of his fathers death on social media.

Its with a heavy heart & great sadness to announce the passing of my Father Doug Ingle.

Doug Ingle, lead singer of Iron Butterfly

Doug Ingle, lead singer of Iron ButterflyMichael Ochs Archives/Getty Images

Cherished loving memories I will carry the rest of my days moving forward in this journey of life.

The band is best known for its 1968 hit In-A-Gadda-Da-Vida, which Ingle co-authored.

The singer and founding member left the band in 1971 and would make occasional appearances with the touring band.

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(L-R) Erik Brann, Ron Bushy, Lee Dorman, and Doug Ingle.Bettmann / Getty Images

Remember Iron Butterflys In-A-Gadda-Da-Vida in the video below.