A player of this instrument frequently opened songs by jumping octaves to hit a root note, such as on the track “Guess Who.” A player of this instrument who moved off the Stovall plantation with 20 dollars from Alan Lomax created the song “I Can’t Be Satisfied.” A player of this instrument created the song “Texas Flood” with the group Double Trouble before dying in a helicopter accident. A player of this instrument exemplified the Chicago Blues with songs like “Hoochie Coochie Man.” On songs like “The Thrill is Gone,” a “hummingbird vibrato” was played on one of these instruments (10[1])that its artist named Lucille. For 10 points, blues musicians like (10[1])Muddy Waters (10[1])and B. B. King played what instrument whose notes are created by raking, bending, and sliding its strings? ■END■ (10[2]0[3])