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He explained that the band took some time off at the start of the year, which led to them writing new material.
"I love writing songs at home, so we've got about 15 or 16 songs that we did over New Year. As soon as we get off the road we'll get the album done," he told BBC 6 Music.
Speaking of the kind of material the band has written, Neil commented: "We're always going to be a rock band, it's always going to be heavy, but hopefully [we'll] just bring different elements.
"It's always going to sound like Biffy. It's not going to be a reggae record, put it that way."
The band are currently on tour in the US.
