Answer:

ARIAS

Answer	Crossword Clue
ARIAS	Sills's selections
ARIAS	Fleming solos
ARIAS	Tetrazzini repertoire

ARIAS	Divas' numbers
ARIAS	Operatic showpieces
ARIAS	Three Tenors' repertoire, mostly
ARIAS	Pieces for a diva
ARIAS	Stirring solos
ARIAS	Striking solos
ARIAS	Met expectations?
ARIAS	Divas' deliveries

ARIAS	Songs for divas
ARIAS	Former Costa Rican president re-elected in 2006
ARIAS	Operatic highlights
ARIAS	Diva's performances
ARIAS	Diva's repertoire
ARIAS	Divas' solos
ARIAS	Met highlights
ARIAS	Met offerings

ARIAS	Sills solos
ARIAS	Te Kanawa solos
ARIAS	Met expectations
ARIAS	Diva's program
ARIAS	Soprano songs
ARIAS	Diva's numbers
ARIAS	Some vocal numbers
ARIAS	Recital pieces

ARIAS	Kiri Te Kanawa specialties
ARIAS	Domingo solos
ARIAS	La Scala highlights
ARIAS	Met favorites
ARIAS	Some soli
ARIAS	Covent Garden numbers
ARIAS	Diva specialties
ARIAS	Opera solos

ARIAS	Horne solos
ARIAS	Divas' big moments
ARIAS	Vehicles for the high Cs?
ARIAS	"Caro nome," et al.
ARIAS	Diva deliveries