Conversation so far:
What was session work?
Session musicians, studio musicians, or backing musicians are musicians hired to perform in recording sessions or live performances.
What kind of session work did Clarence White do?
Abandoning bluegrass temporarily, Clarence White switched from his Martin D-28 acoustic guitar to an electric Fender Telecaster, intending on becoming a studio musician like his hero James Burton.
Are there any other interesting aspects about Clarence White's session work besides what session work is and the kind of session work that he did?
As 1965 turned into 1966, Clarence White met Gene Parsons and Gib Guilbeau at a recording session for the Gosdin Brothers and he began to perform live with the duo
What did Clarence White perform live with the Gene Parsons and Guilbeau duo?
Clarence White began to perform live with the duo in local California clubs and did regular session work on their records, released under the moniker of Cajun Gib and Gene.
What did Clarence White do in 1968?
Clarence White also contributed guitar to the Byrds's seminal 1968 country rock release, Sweetheart of the Rodeo.
Were The Byrds successful?
The Byrds managed to attain the commercial success of contemporaries like the Beatles, the Beach Boys, the Rolling Stones; critics consider them to be nearly as influential as their contemporaries.
What else were The Byrds known for besides Sweetheart of the Rodeo?
The Byrds' signature blend of clear harmony singing and McGuinn's jangly twelve-string Rickenbacker guitar was absorbed into the vocabulary of rock and has continued to be influential.
Did the Byrds and Clarence White make any music together besides Sweetheart of the Rodeo?
Hillman, in December 1966 a member of the Byrds, invited Clarence White to contribute countrified lead guitar playing to songs appearing on the Byrds' Younger Than Yesterday album.

Question: How did that work out?
Self-contained rewrite: How did the Byrd's Younger Than Yesterday album work out?