Does 5 Seconds of Summer write their own songs?

5 Seconds of Summer (5SOS) is an Australian pop rock band that was formed in Sydney in 2011. The band consists of lead vocalist and rhythm guitarist Luke Hemmings, lead guitarist Michael Clifford, bassist Calum Hood, and drummer Ashton Irwin. 5 Seconds of Summer has released four studio albums, with the most recent being Calm in 2020.

While the band has collaborated with a number of songwriters and producers over the years, they have also been credited as songwriters on many of their own songs. For example, all four members of the band are credited as songwriters on the majority of the songs on their debut album, 5 Seconds of Summer (2014). They have also been credited as songwriters on songs from their subsequent albums, Sounds Good Feels Good (2015), Youngblood (2018), and Calm (2020).

In addition to their own songwriting, 5 Seconds of Summer has also been involved in the writing process for songs by other artists. For example, they co-wrote the song "This Is How We Do" for Katy Perry's album Teenage Dream (2010). They also co-wrote the song "Good Girls" for Cobra Starship's album Night Shades (2011).

Overall, 5 Seconds of Summer has demonstrated their songwriting abilities by writing and co-writing songs for their own albums as well as for other artists.