Andreas Mattsson
is one of Sweden's most merited and popular songwriters, he has written for and with Lisa Nilsson, Peter Jöback, Carola, Bo Kasper's Orchestra, Uno Svenningsson, Sofia Karlsson, Fläskkvartetten and others. In the 90's he fronted one of the biggest and first indie bands, Popsicle and has since had the bands Sweet Chariots and Vanessa & The O's. He has also written music for TV series. Two English solo albums were followed in 2016 by the first album in Swedish, Solnedgången.

Andreas Mattsson participates in the 2021 TV4 show Så Mycket Bättre (So Much Better) together with Melissa Horn, Harpo, Cherrie, Gustaf & Viktor Norén, Moonica Mac, Siw Malmkvist, Thomas Stenström, Daniel Adams-Ray, Casper Jarnebring, Peter Jöback, Maxida Märak and Marie Nilsson-Lind.