Swifter, Isis, Swifter Flow (Score)-2FL(recorders)/OB/STG4/Alto/Tenor/Bass Voice/PN
Composer: Purcell, Henry
Publisher: Novello (England)
Swifter Isis, Swifter Flow (1681)
for two flutes (or recorders), oboe, string quartet, ATB voices, and piano
by Henry Purcell (1659-1695)- English composer
Taken from Volume 15 of the Purcell Society Edition, "Royal Welcome Songs, Part I".
The two flute parts are originally for recorder, and the String Quartet cello part may be doubled by bass. The piano part is likely for harpsichord. There are a total of three singers: Alto, Tenor, and Bass. The set of parts is available here.