The Guess Who is a Canadian rock band that achieved fame in the late 1960s and early 1970s. Known for blending a variety of genres, including rock, pop, and blues, they are particularly recognized for the distinctive vocals of frontman Burton Cummings and the guitar work of Randy Bachman. Their most influential works include the hits "American Woman," the first song by a Canadian band to reach number one on the Billboard Hot 100, and "These Eyes." The Guess Who's music has significantly contributed to the development of Canada's music scene and the popularity of Canadian artists internationally.