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Since it does not appear in Ottoboni’s Trattenimenti poetici
 and fails to exhibit one of his most  consistent stylistic ‘trademarks’ – the use  of end-rhyme throughout the recitative  stanzas (i.e., not merely in a final couplet)  – the text for Filli, un solo tuo sguardo is  probably by another, as yet unknown, author.  Its subject is the familar one of the timid  lover, too embarrassed to confess his love  but tormented beyond endurance if he does not  do so. The text comprises three arias, each  introduced by a short recitative. This  ‘RARARA’ structure, common enough in the  later seventeenth century, tends to give way  to a ‘RARA’ or even ‘ARA’ structure in the  eighteenth century and is here a conservative  feature.
 
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