Can we draw the following hypothesis from the context?

Context:

Steve Ripley (born Paul Steven Ripley, January 1, 1950, Boise, Idaho, United States) is an American recording artist, record producer, songwriter, studio engineer, guitarist, and inventor. He has been active in the music industry since 1977. He is also the leader/producer of country rock band The Tractors.

Hypothesis: Steve Ripley started is music career when he was 27.
Yes