Conversation so far:
What did Charlie Parker do in his early career?
In the mid-1930s, Parker began to practice diligently.
What did Charlie Parker master?
During this period he mastered improvisation and developed some of the ideas that led to the later development of Bebop.
Did Charlie Parker work with anyone else of note?
1942 Parker left McShann's band and played for one year with Earl Hines, whose band included Dizzy Gillespie, who later played with Parker as a duo.
What did Charlie Parker and Dizzy Gillespie do together?
In 1952 Parker and Gillespie released an album entitled Bird and Diz.
Did Charlie Parker and Dizzy Gillespie gain any recognition then?
This period is virtually undocumented, due to the strike of 1942–1943 by the American Federation of Musicians, during which time few professional recordings were made.
Where else did Parker and Gillespie tour besides what is undocumented?
Parker joined a group of young musicians, and played in after-hours clubs in Harlem, such as Clark Monroe's Uptown House. These young iconoclasts included Gillespie and pianist Thelonious Monk.
Are there any other interesting aspects about this Charlie Parker article besides Dizzy Gillespie?
In late spring 1936, Parker played at a jam session at the Reno Club in Kansas City.

Question: Why did it fail?
Self-contained rewrite: Why did Charlie Parker fail at a jam session at the Reno Club in Kansas City?