The widow of Rich Gabrielle, whom witnesses said was trapped under marble blown off the wall in the lobby of the 78th floor, told the Times the tape eased her fears about her husband's death.

CNN: Report: Tape sheds light on WTC rescuers

Research by Rapaille's Boca Raton, Fla. company, Archetype Discoveries Worldwide, starts with a three-hour-long session, during which he turns off the lights, plays a 20-minute relaxation tape and invites subjects to snooze on the floor.

FORBES: Mind Games

Research by Rapaille's Boca Raton, Florida, company, Archetype Discoveries Worldwide, starts with a three-hour-long session, during which he turns off the lights, plays a 20-minute relaxation tape and invites subjects to snooze on the floor.

FORBES: Mind Games

A. and Diplo put together an underground mix tape, including some of Pentz's dance floor favorites and his remixes of M.

NPR: DJ Diplo Melds Eclectic Sounds