John Kastner, born Jean-Guy Kastner is a Canadian musician and composer born in Beaconsfield, Quebec. He is well known as the singer for Montreal hardcore punk band the Asexuals as well as singer-guitarist for Montreal alternative band Doughboys and alternative band All Systems Go!. He is also the manager for the band Men Without Hats.
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Buy Discography: 
| Play | Soundtrack | Movie/Serie | Type | Buy song | |
|---|---|---|---|---|---|
| Something About You | She's Out of My League | writer | |||
| Going Nowhere | Suck | writer | |||
| I'm Coming To Get You | Suck | performer | |||
| Moonlight Sonata | Suck | performer | |||
| Night After Night | Suck | performer | |||
| So Close It Hurts | Suck | performer | |||
| Still Bleeding | Suck | performer | |||
| Suck | Suck | performer | |||
| Sympathy For The Devil | Suck | performer | |||
| Take It | Suck | writer | |||
| Tell Vicki | Firewall | writer | |||
| The Fool | Suck | performer | |||
| This Is Your Brain On Drugs | Suck | writer |