Andy Williams

Maren Morris, James Corden and dozens more test their voices at rehearsals for the 2017 Grammy Awards

Maren Morris, James Corden and dozens more test their voices at rehearsals for the 2017 Grammy Awards

An air of torch-passing suffused the stage Thursday as rehearsals for Sunday’s 2017 Grammy Awards ceremony got underway at Staples Center with the teaming of 15-time Grammy winner Alicia Keys and Texas country newcomer Maren Morris.

Such cross-genre, cross-generational pairings are a signature of the Grammy telecast, which consistently features more live performance segments than any other major awards show.

Performances will run the gamut from pop music’s biggest stars of the moment, including Beyoncé, Adele, Katy Perry, Metallica, John Legend, Keith Urban and Daft Punk, to several acts that viewers who tune in Sunday at 5 p.m. Pacific time will likely be seeing...

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