What Broadway musical had the first successful cast recording on record? 

Who was the premier leader of western swing, establishing that movement after leaving the Light Crust Doughboys and establishing his own group with hits such as “San Antonio Rose” and “Steel Guitar Rag.” 

What trade magazine was responsible for changing their chart listings from “Race” to “Rhythm and Blues” and “Folk” to “Country and Western” in 1949? 

What musicians was known as a famous guitar player as well as studio innovator who introduced multi-track recording, overdubbing and the echo chamber in the late 40s and early 50s? 

What musician/singer, considered to be the “Father of Rhythm and Blues,”  whose records began crossing over to the white charts during the 1940s said “My whole theory, my whole life, has been when you come out to hear me, I want to make you happy” to explain his desire to make his music commerical entertainment. 

Columbia Records executive who  signed Billie Holiday, discovered Charlie Christian, convinced Benny Goodman to integrate his band, and organized the “Spirituals to Swing” concert? 

What female gospel singer, who recorded originally for Apollo Records, sang on “Evenings With Dorsey” and was known for songs like “God’s Gonna Separate the Wheat From the Tares” and “Movin’ On Up.” 

Who designed the first commercially successful solid body guitar in 1946 and founded the company that mass produced these guitars? 

The need for a lobbying group to monitor legislation concerning the recording industry, compile statistics on record industry sales as well as the problems of free records to disk jockeys, payola to radio, technical requirements for records and the discounting of records led to the formation of what trade association and lobbying group in 1951? 

What manufacturer provided the earliest tape machines for recording studios and radio stations and dominated the early tape technology?