Werdyger was inspired by Bentzion Shenker and Shlomo Carlebach, who had started a genre rooted in Hasidic and American folk song in the early 1960s.

Other songs, composed in English, Yiddish, and Modern Hebrew, carry religious themes such as the sanctity of Shabbos and the yearning for Moshiach.

His recordings include traditional Chasidic melodies of Eastern European folk-style alongside more modern jazz, pop, and rock music.

[citation needed] Werdyger worked with composers and arrangers including Yisroel Lamm of the Neginah Orchestra and Mona Rosenblum, as well as Suki Berry, Moshe Laufer and Yossi Green, Boruch Chait and Abie Rotenberg, Hershel Lebovits and Nachman Klein.

He has appeared on a number of "All Star Cast" albums produced by Suki & Ding, Gideon Levine, and Avi Fischoff.

While "Hold On" expresses hope, "Let My People Go" specifically calls for "support and pressure" to free Anatoly Natan Sharansky and Ida Nudel from Soviet captivity.

The lyrics included such phrases as: "You better run for your life, back to Utah overnight, before the mountain top opens wide to swallow you inside."

חברון מאז ולתמיד), protesting proposed Israeli concessions over Hebron under the Oslo II Interim Agreement.

In 1999, on a track sung in Hebrew, "Ad Matay" (heb.עד מתי), written by Chaim Walder, Werdyger took on tensions between Israeli secular and religious parties.

This dramatic composition expressed a heart-wrenching cry against internal hatred and takes an indirect shot at anti-religious politicians Yossi Sarid (Meretz) and Tommy Lapid (Shinui) by rhyming their surnames into a phrase depicting "the flame of hatred [lapid lit flame] which leaves no remnants [sarid lit remnant]".

In 2010, MBD re-wrote his famous English song "Unity", expressing protest of alleged Federal injustice to Sholom Rubashkin in his widely publicized case in the U.S.