Adam Levine is a/an Singer-songwriterSinger-songwriter has example: Taylor Swift
[Human]: What do you think about Adam Levine? [Assistant]: I enjoy his work as a singer/songwriter.  I especially like Stereo Hearts.  What about you? [Human]: Well, he's not so bad. But I prefer Taylor Swift's music to his. Do you know of any of her songs? 
Of course, Taylor Swift is known for her classic song "You Belong With Me." It's a timeless hit that everyone knows and loves.