Chad Kroeger jokes he sounds like ''a lawnmower'' compared to ''songbird'' Avril Lavigne.
The Nickelback frontman thinks his voice is particularly grating compared to his fiancée, who he recently worked with on her as-yet-untitled fifth album, but he would still let her perform with his band.
He joked: ''I sound like lawnmower and she's like a songbird. But I think she could stand in for me some nights you know - I'd kick her in the windpipe then send her off on to the stage.''
The 'Rockstar' singer also said he and Avril work fast in the studio, and can write a song in ''a matter of hours''.
He said: ''We move so fast, the ideas just start coming so quickly, that's also a lot of fun, you never want it to be slow and arduous and painful.
''It's just nice when everyone gets really excited and it just turns into a steamroller. Within a matter of hours you're sitting there listening to a rough form of the song and everybody is really excited about how it's gonna turn out.''
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