Maroon 5 and Train will be in Dallas at the Gexa Energy Pavilion on Friday, September 23rd and if you've been thinking about proposing to your girlfriend, you could end up doing it during the show!  Train's song "Marry Me" has ended up becoming an ultimate proposal song and many couples have gotten engaged while the song is playing.  Train's drummer Scott Underwood told Vh1 radio what Pat Monahan plans on doing during the upcoming tour.