Backstreet Boys singer's vocal change caused by medical condition VnExpress Brian Littrell, a vocalist for the Backstreet Boys, has experienced vocal changes due to muscle tension dysphonia and dystonia since 2012.
Backstreet Boys’ space-themed stage wows fans VnExpress Backstreet Boys transform their "Into the Millennium" tour into a cosmic journey, captivating tens of thousands of fans with a space-simulated setting.
