Buy or sell Mastodon Tickets at TicketCityhttp://www.ticketcity.com/concert-tickets/hard-rock-metal-punk/mastodon-tickets.htmlMastodon Tickets, State Theatre, April 4 7:30PMhttp://www.ticketcity.com/concert-tickets/hard-rock-metal-punk/mastodon-tickets/mastodon-tickets-state-theatre-april-4-730pm.htmlOpeth and Mastodon Tickets, Orpheum Theatre, April 5 7:30PMhttp://www.ticketcity.com/concert-tickets/hard-rock-metal-punk/opeth-tickets/opeth-and-mastodon-tickets-orpheum-theatre-april-5-730pm.htmlMastodon & Opeth Tickets, Sony Centre For The Performing Arts, April 7 TBAhttp://www.ticketcity.com/concert-tickets/hard-rock-metal-punk/mastodon-tickets/mastodon-and-opeth-tickets-sony-centre-for-the-performing-arts-april-7-tba.htmlMastodon & Opeth Tickets, Electric Factory, April 9 3:30AMhttp://www.ticketcity.com/concert-tickets/hard-rock-metal-punk/mastodon-tickets/mastodon-and-opeth-tickets-electric-factory-april-9-330am.htmlMastodon & Opeth Tickets, Oakdale Theatre, April 10 7:30PMhttp://www.ticketcity.com/concert-tickets/hard-rock-metal-punk/mastodon-tickets/mastodon-and-opeth-tickets-oakdale-theatre-april-10-730pm.htmlMastodon Tickets, Roseland Ballroom, April 11 7:00PMhttp://www.ticketcity.com/concert-tickets/hard-rock-metal-punk/mastodon-tickets/mastodon-tickets-roseland-ballroom-april-11-700pm.htmlMastodon Tickets, Palladium Ballroom, April 19 7:30PMhttp://www.ticketcity.com/concert-tickets/hard-rock-metal-punk/mastodon-tickets/mastodon-tickets-palladium-ballroom-april-19-730pm.htmlMastodon & Opeth Tickets, Fox Theater, April 27 8:00PMhttp://www.ticketcity.com/concert-tickets/hard-rock-metal-punk/mastodon-tickets/mastodon-and-opeth-tickets-fox-theater-april-27-800pm.htmlMastodon & Opeth Tickets, Paramount Theatre, April 30 TBAhttp://www.ticketcity.com/concert-tickets/hard-rock-metal-punk/mastodon-tickets/mastodon-and-opeth-tickets-paramount-theatre-april-30-tba.html