Biography: Jeremy Andrew "Jer" Hunter (born June 16, 1995) is an American YouTuber, musician, composer and music educator who hosts the YouTube channel Skatune Network, where they post ska covers of popular songs. They have also released original music under the name JER, played trombone for ska punk band We Are the Union since 2015, and performed on albums by The Bruce Lee Band, Jeff Rosenstock, and Illuminati Hotties.