Which blues musician came from Mississippi, was known early on as the Beale Street Blues Boy, and was an important influence on Eric Clapton, Jimmy Page and Jimi Hendrix?

Coupled with John Wesley Powell's exploration records of the Grand Canyon, Thomas Moran's Noon-Day Rest in Marble Canyon underscores

a) the scale of the geological record. b) the West as sacred space. c) the beauty of wilderness. d) the perils of exploration.

Which innovator of the American musical made songs much more complex by writing lyrics and music filled with

inner tensions that suggest unacknowledged conflicts or hidden desires and reveal multiple possibilities of meaning?

a. Stephen Schwartz b. Stephen Sondheim c. Stephen Merman d. Stefan Brecht