19 Recordings, a recording label owned by 19 Entertainment, currently hold the rights to phonographic material recorded by all the contestants. 19 originally partnered with Bertelsmann Music Group (BMG) to promote and distribute the recordings through its labels RCA Records, Arista Records, J Records, Jive Records. In 2005-2007, BMG partnered with Sony Music Entertainment to form a joint venture known as Sony BMG Music Entertainment. From 2008-2010, Sony Music handled the distribution following their acquisition of BMG. Sony Music was partnered with American Idol and distribute its music, and In 2010, Sony was replaced by as the music label for American Idol by UMG's Interscope-Geffen-A&M Records.
Try to answer this question if possible (otherwise reply "unanswerable"): Who did 19 initially partner with to distribute the recordings?
BMG