Browsing piano duets

Spent the mid-afternoon trying out several piano duets I downloaded from the Internet in search of a few that Joel and I can learn to play aside from the three I already sent him last December.  Since those were Christmas songs, I was hoping to find something less "seasonal" and a bit more upbeat but still manageable for Joel.  Am currently eying a simple arrangement of Pachelbel's Canon in D and Faure's Pavane.  Or maybe that delightful arrangement of Youman's Tea for Two and Tchaikovky's Dance of the Sugar Plum Fairy.  I sure hope Joel won't lose interest and eventually back off practicing his piano...