what is their style of music?
Rock and roll, vocal jazz harmony and the pop ballad
The Beach Boys
The Beach Boys began as a garage band playing 1950s style rock and roll, reassembling styles of music such as surf to include vocal jazz harmony, which created their unique sound. In addition, they introduced their signature approach to common genres such as the pop ballad by applying harmonic or formal twists not native to rock and roll. 
what is smiley smile? A studio album which band released this album? The Beach Boys is there another album with a similar name? Yes, "Smile" what was the band's debut album? Surfin' Safari what was their music influenced by? The band's earliest influences came primarily from the work of Chuck Berry and the Four Freshmen, "Their Hearts Were Full of Spring" was a particular favorite of the group
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The Beach Boys [SEP] Musical style and development
In "Understanding Rock: Essays in Musical Analysis", musicologist Daniel Harrison writes: The Beach Boys began as a garage band playing 1950s style rock and roll, reassembling styles of music such as surf to include vocal jazz harmony, which created their unique sound. In addition, they introduced their signature approach to common genres such as the pop ballad by applying harmonic or formal twists not native to rock and roll. Among the distinct elements of the Beach Boys' style were the nasal quality of their singing voices, their use of a falsetto harmony over a driving, locomotive-like melody, and the sudden chiming in of the whole group on a key line.