(Prog) Mastodon drummer Brann Dailor says the EP they planned to record later this year has expanded into a full album project. And the record is likely to feature material that didn't make the cut for sixth title Once More 'Round The Sun, which arrived in 2014.

Dailor tells 93.3 WMMR: "At the moment it's just a ton of riffs and they're starting to form songs. "We have some stuff that didn't make the last record - not because it wasn't awesome, but it just didn't fit the vibe of the stuff we had.

"We were going to do this winter EP thing, but the material's morphed into more than that, so I think it'll warrant a full album release." They're continuing to experiment with material at guitarist Bill Kelliher's home. Read more here.

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