Complex sentence: Artists have released many tributes, notably cover versions of "Clouds", the most notable of which was released on SoulPancake, featuring Rainn Wilson himself, along with Bryan Cranston, Ashley Tisdale, Jason Mraz, Sara Bareilles, and others.
Split into simpler sentences: Artists have released many tributes, notably cover versions of "Clouds". The most notable of tributes was released on SoulPancake, featuring Rainn Wilson himself, along with Bryan Cranston, Ashley Tisdale, Jason Mraz, Sara Bareilles, and others.