Linked from
The 43 pages that link to Opera seria, each with the reason it gives.
RecitativeRelated: Its scenes commonly alternate recitative dialogue with arias.
ColoraturaRelated: Its arias offered star singers extended opportunities for vocal display.
Da capo ariaRelated: The da capo aria became its characteristic vehicle for solo singing.
CastratoRelated: Its star roles and vocal demands helped make castrati celebrated performers.