Mastodon drummer/vocalist Brann Dailor, Withered guitarist Raheem Amlani and Zruda guitarist/keyboardist have teamed up to form the bizarre synth rock band Arcedea. The peculiar band just announced their self-titled debut album, which features the sick cut “Gas Giant.” Arcadea just announced their signing with Relapse Records, revealing their debut will hit our planet June 16. With Mastodon’s masterful Emperor of Sand ruling the metal sphere, becoming the highest-selling album in the U.