The Yamaha YRT-304B Tenor recorder is a great step-up recorder.
Part of the Yamaha 300 Series, this three-piece tenor recorder is designed with Baroque-English fingering including double holes for low D and D#, and double keys for low C and C#.
Made of a durable ABS resin in dark brown with ivory trim this recorder is both durable and lightweight. The Yamaha 300 series offers a complete range of top quality recorders. These instruments deliver a full, rich sound while remaining nearly indestructible.

Specifications:
Dark brown with ivory trim
Tenor
Three-piece construction
Key of C
Baroque-English fingering
Double holes for low D and D#Double keys for low C and C#
 
Includes:
Three-piece alto recorder
Bag with zipper closure
Cleaning rod
Fingering chart
Joint grease
Thumb rest