sentences:  While his folk-inspired sound and inspirational lyrics are strongly reminiscent of Carlebach, Rotenberg's soft and sometimes melancholic voice, however, contrasts with Carlebach's ecstatic style.Rotenberg has collaborated with other Jewish musicians including Mordechai ben David, Avraham Fried, Yehuda Schechter, Yaakov Shwekey, Moshe Yess and Shlomo Simcha with whom he co-starred in Israel National Radio's Miracles 18 concert.Rotenberg has also been a main fixture of the annual HASC "A Time for Music" concerts.