A second studio album is the follow-up release to an artist's debut album. It typically showcases the artist's growth and evolution in their musical style, songwriting, and production techniques. This album often aims to build on the success of the first, reaching a broader audience and solidifying the artist's presence in the music industry. Many artists use their second studio album to experiment with new sounds or collaborate with different producers and musicians. Successful examples include Taylor Swift's "Fearless" and Adele's "21," both of which received critical acclaim and commercial success, further establishing their careers.