Kantat, Sonat, and Oder (Hinrich Philip Johnsen)- Played by various size groups and singers on the Proprius label;
Sym no.5 and Serenade to Music (Ralph Vaughn Williams)- Sir Adrian Boult conducting the London Phil on EMI;
The Four Seasons (Vivaldi) conducted by Sigiswald Kuijken and La Petite Bande on Seon/RCA*.
*As you may know, this has been recorded many times, some of which I have heard, but this is the sweetest sounding, transparent and most delicately played production I have heard or can imagine.