www.michaeldowdle.com – Master Session Guitarist and regular clinician
http://www.snow.edu/music/RichDixonBio.htm – Master Session Guitarist and regular clinician
www.jamieglaser.com – Master Session Guitarist
www.digitech.com – Guitar effects company
www.line6.com – Guitar effects and amp company
www.halleonard.com – Sheet Music Publisher
www.melbay.com – Sheet Music Publisher
www.alfred.com -Sheet Music Publisher
www.sheetmusicdirect.com – Great source for printable sheet music
www.melanconguitars.com – Custom Guitar Builder Mark endorses strongly
www.groshguitars.com – Custom Guitar Builder
www.ibanez.com – Guitar manufacturer
www.larrivee.com – Acoustic Guitar Manufacturer
www.guitarrasesteve.es – Classical guitar manufacturer
www.jimdunlop.com – Picks, effects, etc.
www.daddario.com – Guitar string manufacturer
www.chrisproctor.com – National Fingerstyle Guitar Champion and clinician
www.jessethurgood.com – Award winning songwriter and regular clinician
www.fsma.org – All you need to know regarding Spinal Muscular Atrophy
www.rondomusic.com – Great source of discount guitars