Cosmo 4 released their second single “Peek-a-Boo” (The first one being "Mexico" released 2004) this summer and reached big success and joined the Rix fm summertour 2006.
In August C4 released there third single "Adios amigos". They participated in Melodifestivalen 2007 with the song "What's Your Name".



Cosmo4 on Last.fm.