Blind photographer's concert pictures are an Instagram hit
19 December 2015 Last updated at 00:59 GMT
Blind photographer Ahmad Zaghal talks to the BBC about his work taking pictures at music concerts, which has gained him a following on photo-sharing service Instagram.
Together with Sean Gray, who was born with cerebral palsy and is the lead singer in the band Birth (Defects), Ahmad also hosts a weekly radio programme.
The BBC caught up with the the duo during their broadcast on the University of Maryland campus.
Produced & Edited by Bill McKenna
Filmed by Felicia Barr & Bill McKenna