BOSTON - Aerosmith's Steven Tyler and Joe Perry have recorded a new arrangement of "Dream On" to honour victims of the Boston Marathon bombings.

The rockers are accompanied by the Southern California Children's Chorus in the video of their signature hit. Aerosmith had performed "Dream On" during the Boston Strong Concert benefit last May.

The song is part of the ESPN special "Dream On: Stories from Boston's Strongest" that will first air Saturday on ABC. Part of the "E:60" news magazine series, the hour-long show will be broadcast again on ESPN on Tuesday, the anniversary of the attacks.

Three people were killed and more than 260 were injured when two bombs exploded near the finish line of the 2013 marathon.