Peggy Sue is a name of at least three artists:
1) Russian bedroom pop singer-songwriter, also known as rinona wyder. In March 2018, he released album named 6ame 6ad 6tory on his bandcamp.
2) An indie folk band, from Brighton, England (formerly known as Peggy Sue & the Pirates and Peggy Sue & the Pictures when they merged with Left With Pictures for The Body Parts EP in 2008). They have toured with a number of well-known artists in the UK, inc: Kate Nash, The Maccabees & Mumford & Sons. Read more on Last.fm