 Mavrin participated in Kipelov's tour and in recording the "Put Naverh" live album and then the "Babylon" single.But seeing Kipelov not hurrying to record a new album, he departed in the summer of 2004.The song "Prorok" (Prophet) by Mavrin was included to Kipelov's "The Rivers of Time" and Kipelov was given a permission to play some of Mavrin's songs.