Editor's Note: First Notes is a weekly update of recent happenings in the world of music.
* In 2012, Steve "ESPO" Powers painted a mural in Philadelphia that would serve as the album cover art for Kurt Vile's Walkin' on a Pretty Daze. On Saturday morning, DJ Lee Mayjahs took it upon himself to paint over the mural. At the time, he said, "he was buffing the mural because it was attracting graffiti to the neighborhood." He later found out the story behind the mural and wrote a letter to Vile and the original artist to apologize.
* Soul singer Bobby Womack died on Friday from unknown causes at age 70. He released a comeback album in 2012 and had recently performed at the Bonnaroo Music & Arts Festival.
* The BET Awards took place last night, and while the music should be the focus, it's Nikki Minaj's apparent comments on Iggy Azalea that are getting the most attention. Minaj made sure to note that she writes all of her own lyrics.
* A 2007 study found that some monkeys would rather listen to silence than Mozart or a lullaby. However, a new study shows that chimpanzees prefer areas where they can hear Indian and African music.
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