Here's an in-depth Q&A interview and short live performance, with Glenn from back on Thursday, February 15th, 2007 with host and LA Session musician and instructor, Christopher Maloney, held at the Musicians Institute, Hollywood.
You can also read more about his visit here 
Part 1
[ame='http://www.youtube.com/watch?v=1B_Cc85TKmU']Backstage Pass (Part 1) - YouTube[/ame]
Part 2
[ame='http://www.youtube.com/watch?v=BusjsyUTwr8']Backstage Pass (Part 2) - YouTube[/ame]
Part 3
[ame='http://www.youtube.com/watch?v=JpWHY18r4Jk']Backstage Pass (Part 3) - YouTube[/ame]
Part 4
[ame='http://www.youtube.com/watch?v=WZiFD2UvvQw']Backstage Pass (Part 4) - YouTube[/ame]
Part 5
[ame='http://www.youtube.com/watch?v=QqeUEfjaEhw']Backstage Pass (Part 5) - YouTube[/ame]
Always with smile and joke!