By Gary Graffggraff@digitalfirstmedia.com, @GraffonMusic on TwitterMastodon's latest album, "Once More 'Round the Sun," actually took a few revolutions before the Atlanta heavy metal quartet knew what kind of album it was making."It didn't really hit its path until the end," recalls drummer Brann Dailor, who co-wrote eight of the 11 tracks on the group's sixth studio album, which debuted at No.