Bear Hands is an American post-punk and indie rock band, consisting of Dylan Rau (vocals and guitar), Val Loper (bass), Ted Feldman (guitar), and TJ Orscher (drums).
 Hailing from Brooklyn, New York, United States, and formed in 2006, the band signed with Cantora Records in 2010 upon the release of its single, "What a Drag".
The discography of American rock band Bear Hands consists of three studio albums, two extended plays (EPs), and eight singles.
 Bear Hands was formed in 2006 while band members Dylan Rau met Ted Feldman attended Wesleyan University, and were later joined by Loper and Orscher through their previous bands, who were involved in the local hardcore punk scene.
Golden EP is the self-released debut EP by Bear Hands.
Burning Bush Supper Club is the debut album by experimental rock outfit Bear Hands.
You Winding Me Up is 7" vinyl single by Hesta Prynn.
 It was released on December 8, 2010.
 The A-side is a mash-up of Hesta Prynn's 2010 song "You Winding Me Up" from the Can We Go Wrong EP and Blondie's 1978 song "Heart of Glass" from their Parallel Lines album.
 The B-side is a remix of "You Winding Me Up" by Bear Hands.
"Giants" is a song by American experimental rock band Bear Hands.
 The song was released in late 2013 as the lead single from the band's second album, "Distraction", and peaked at number eight on the "Billboard" Alternative Songs chart.
 The song is featured in NHL 15.
"2AM" is a song by American experimental rock band Bear Hands.
 The song was released in early 2016 as the promotional single from the band's third album, "You'll Pay for This", and peaked at number 12 on the "Billboard" Alternative Songs chart.
Mastodon is an American heavy metal band from Atlanta, Georgia.
 Formed in 2000, the group is composed of bassist Troy Sanders, guitarists Brent Hinds and Bill Kelliher, and drummer Brann Dailor, all of whom perform vocals in studio (except Bill Kelliher).
 They all perform vocals at live shows.
 Their musical style features progressive concepts and unique instrumentation.
 Mastodon has released seven studio albums, as well as a number of other records.
 The band's debut album, "Remission", released in 2002, garnered significant critical acclaim for its unique sound.
 Mastodon's second full-length release, "Leviathan", is a concept album based on the novel "Moby-Dick" by Herman Melville.
 Three magazines awarded the record "Album of the Year" in 2004: "Revolver", "Kerrang!
" and "Terrorizer".
You'll Pay for This is the third album by experimental rock outfit Bear Hands.
Distraction is the second album by experimental rock outfit Bear Hands.

Question: Did Mastodon form before Bear Hands?
Answer: yes