Are Brett Hestla and Benjamin Kowalewicz both in the music business?
Brett Hestla: Brett Adam Hestla, (born February 4, 1973), is an American musician and record producer. Benjamin Kowalewicz: Benjamin Kowalewicz ( ; born December 16, 1975, in Montreal, Quebec) is a Canadian singer and the lead singer of the Punk rock band Billy Talent.
yes