Maybe You Should Drive, which he had been writing about his then-future wife, ended up being about the loss of his brother; the song "Leave" from 1998's Stunt is about the image of his brother haunting him in hotel rooms while on tour; and the song "Tonight is the Night I Fell Asleep at the Wheel" from 2000's Maroon was based on Robertson's curiosity about what his brother was thinking about in his last moments. His mother died on December 13, 2008 at age 72, and his father died on June 10, 2011 at the age of 76. Robertson wrote the song "Moonstone" about his mother passing away. It was recorded during the All in Good Time sessions, and although it was not included in the basic album, it was released as a bonus track. Role in Barenaked Ladies Robertson is the primary guitarist for the band, playing dominantly rhythm guitar (evenly split between acoustic and electric) on nearly all of the band's songs. Two of his three bandmates also play guitar with the band on certain songs (Kevin Hearn sometimes on lead, and Jim Creeggan occasionally playing rhythm guitar for songs he sings lead on). During his tenure with the band, Steven Page also played rhythm guitar and, occasionally, lead guitar on around a third of the band's songs. Robertson is capable of playing several other instruments including drums, pedal steel guitar, banjo and mandolin, but he rarely plays anything other than guitar, or occasionally 6-string banjo, on stage. On each passing album, he has sung lead on an increased number of songs, to the point where he shared approximately equal duty with Page by the time the latter left the band. Robertson has sung lead on a number of the band's singles since the success of 1998's "One Week", the first single released with a Robertson lead (not including "If I Had $1000000" which featured a Page/Robertson call-and-response lead vocal). He, along with his other bandmates, has taken over some of Page's lead and harmony vocal parts following the latter's departure. Robertson also often includes rapping and beatboxing into performances with Barenaked Ladies. Robertson contributed to the writing for the band from their first album. Much of his contribution initially came in the way of co-writing with Page. As the years have passed, Robertson has written an increased amount on his own. He credits Jason Plumb in part