*Almost all of these can be adapted for high-, low- or mixed-voice ensembles*

Deck the Halls - joyful hip hop version of the classic Christmas caroler. SATB plus vocal percussion. Recording

Dreidel Song (traditional Hannukah song) - SATB or TTTB. Light-hearted, uptempo, and fun. Mostly triadic with some close harmonies sprinkled in, and a rousing finale ending with "Oy vey!" (which can be changed to "Let's play!"). Recording

God Rest Ye Merry Gentlemen - SSAATTB plus vocal percussion. Contemporary EDM/dubstep-infused arrangement a la Pentatonix. Full of reharmonization and mojo. Recording

Grandma Got Run Over By a Reindeer (Elmo & Patsy) - SATB with optional vocal percussion and solos for everybody! Humorous hip-hop remake of a classic cautionary tale. Hold your grandma tight tonight!  Studio Recording   Live Video

Happy Birthday (public domain as of Summer 2015!) - TTBB, with alternate arrangements available for mixed and female ensembles. Recording

Hark! The Herald Angels Sing - SATB plus vocal percussion, with optional splits for up to eight parts. Joyous and sassy pop/gospel arrangement with lots of groove and room for breakout solos. Recording 

Hatikvah ("The Hope": Israeli national anthem) - SATB. Rousing, slow anthem in a minor key, featuring close harmonies and ample counterpoint. Sung in Hebrew. Midi | Original song 

I Saw Three Ships - SATB with optional vocal percussion. SATB. Nautical Christmas shanty that speaks of joy and anticipation on Christmas morning. Recording

Jingle Bells - SATB plus solo and VP. Funky jazz/hip hop cover of the Christmas classic with some updated harmonies and lyrics. Sleigh, queen! Recording

My Favorite Things (Rodgers & Hammerstein) - SATB. Spirited, uptempo jazz interpretation. Metric modulation between 5/4 and 3/4, and lots of vocal jazz harmony. Recording

Most of All (Michael Kohl) - SATB. Lush, wintry R&B ballad about all the people we miss during the holidays. Recording

Noche de Paz ("Silent Night") - somber, lush SATB ballad version of the classic carol, but in Spanish language. Supports an alto solo. Recording

O Canada (Canadian national anthem) - TTBB or SATB with optional splits. A regal chorale-style arrangement with jazz reharms. Originally written to open a hockey game! Midi

O Holy Night - SATB. Jazzy reharmonization and a cascade lover's delight. Solos for every voice part. Recording

Silent Night - SSATB or TTTBB. This English-language version is a different arrangement from the Spanish-language version above. Five-part vocal jazz reharmonization featuring smooth, close harmony and brief solos. TTTBB Midi | SSATB Midi

The Star-Spangled Banner - SSAATB. Soulful vocal jazz groove arrangement of the United States national anthem. Optional VP can be combined with the bass or added separately. Originally commissioned for the youth a cappella sextet minor 6. Recording | Midi 

Take Me Out To The Ballgame - SSATB. Direct transcription of Vox One's short, awesome arrangement. Pretty killer. Vox One recording

Thriller (Michael Jackson) - a cappella group with soloists. Contemporary pop treatment of the ghoulish classic, including a tutti intro harmonization based on Vincent Price's poem from the original. Recording

We Three Kings of Orient Are - SSAATTBB. Lush vocal jazz reharmonization a la Singers Unlimited. Recording

What Child Is This? - SATB. R&B-tinged cover of another Christmas classis. Featuring plenty of rhythmic interplay between voice parts. Fingersnaps and optional VP. Recording