Lada Gaga's title track from her second studio album has topped the charts all over the world. Features a pulsing electronic groove and, in Gaga's words, "a very theatrical vocal."

Arranger: Alan Billingsley | Composer: Stefani Germanotta | Performed By: Lady Gaga

Oh, baby! Aretha Franklin move on over! Greg's arrangement is just as funky and full as can be. Great solo feature, too.

Arranger: Greg Gilpin | Composer: Don Covay | Performed By: Aretha Franklin

This trademark ABBA song from the smash hit musical Mamma Mia is a great choice for both concert and show choirs. Featured on the "Prom Queen" episode of Glee. Energetic, disco fun!

Arranger: Alan Billingsley | Composer: Benny Andersson | Musical: Mamma Mia!

Featured on Glee and several television commercials, this fresh-sounding single by the Neon Trees charted in six different Billboard categories. Infectious!

Arranger: Alan Billingsley | Composer: Tyler Glenn | Performed By: Neon Trees

This was the first of many hits that Harold Arlen and Ted Koehler wrote together. It's most associated with Judy Garland, who performed "Get Happy" in her last MGM film Summer Stock. This incredible hot and jazzy arrangement really cooks from beginning to end! Featured on Showbiz! choral movement DVD (00-35858).

Arranger: Philip Kern | Composer: Ted Koehler

Kristin Chenoweth (as the character "April") performed this stunning ballad on the aptly named "Home" episode during Glee's first season. This inspiring song originally appeared in the 1975 breakthrough Broadway production of The Wiz, a retelling of Frank Baum's memorable story. Features soaring melodies and lush harmonies.

Arranger: Andy Beck | Composer: Charlie Smalls | Performed By: Kristin Chenoweth | Musical: The Wiz

Who else but Mark Hayes could take this Gershwin masterpiece and make it into an absolutely rip-roaring, no-holds-barred choral work. You want rhythm? You'll get it, in more ways than you can count in this outstanding arrangement of one of America's great songs. A classic, by any standard.

Arranger: Mark Hayes | Composer: George Gershwin

Bruno Mars hit several Billboard charts with this catchy and uplifting song from his debut album Doo-Wops & Hooligans. Finn gave it the ultimate Glee treatment on the popular "Furt" episode!

Arranger: Alan Billingsley | Composer: Bruno Mars, Philip Lawrence, Ari Levine, Khalil Walton, Khari Cain  | Performed By: Bruno Mars

Israel Kamakawiwo'ole's Hawaiian-style "Over the Rainbow" has become a prevalent part of today's popular music. Performed in Glee's first season finale by Matthew Morrison and Mark Salling, the unique setting has been sung by several American Idol contestants and featured in many TV shows and movies. In this creative arrangement, a divisi choir accompanies the soloist, duet, or small group, performing a cappella or with optional piano, ukulele, or guitar.

Arranger: Andy Beck | Composer: Harold Arlen

This classic American song from Porgy and Bessae deserves only the finest choral treatment, and Mark Hayes has certainly given it that, with a rich, lush setting. The piano accompaniment carries the voices on a dramatic journey appropriate to the nature of the piece. A song that every singer should know and will love.

Arranger: Mark Hayes | Composer: George Gershwin | Musical: Porgy and Bess

This inspired setting faithfully retains the Hawaiian character of Israel Kamakawiwo'ole's cover. Andy features the sopranos, then altos, on the classic melody, accompanied by rhythmic "aloha's" from other sections of the choir. This adaptable publication invites you to perform a cappella or with optional piano, ukulele, or guitar. A special arrangement that honors the depth of the original song, the spirit of "Brother Iz," and the beauty of the earth.

Arranger: Andy Beck

This expressive ballad has been expertly arranged for a cappella women's voices. A classic song plus a classic setting equals a memorable performance experience for all.

Arranger: Kirby Shaw | Composer: Victor Young