adoration. The restoration works were directed by Franz Josef Hamm from Limburg. The new cross above the altar was created by a group of young people in preparation for confirmation. During the restoration the organ had to be taken apart. The parish decided not to restore it but to have a new organ built. Mebold organ and concerts The organ was built by Orgelbau Mebold and consecrated on 22 January 2006. The instrument has 1,888 pipes and 33 stops on two manuals and a pedalboard. The layout of its great division () reflects the classic organ construction of the Baroque period, whilst the swell division (or swell box) () has the timbre of the Romantic, which makes it possible to play a wide range of the organ repertoire from different eras. The first organ concert on the Mebold organ was played by Dan Zerfaß, organist of the Worms Cathedral. The organ is used mostly in services, but has been played in concerts of artists such as Kalevi Kiviniemi. In 2005 Graham Waterhouse was the soloist in the premiere of his Cello Concerto in the chamber version on 5 August 2005. Giora Feidman and Matthias Eisenberg performed a duo programme on 14 November 2008. Christian Schmitt played in 2007 with the chamber choir of the Hochschule für Musik und Darstellende Kunst Frankfurt, conducted by Wolfgang Schäfer, who returned in 2010 to conduct the Frankfurter Kammerchor. Church music Franz Fink has been the cantor of St. Martin since 1992, conducting five musical groups, a children's choir , the , the Martinis (a chamber choir of mostly young people), the , and the on period instruments. The church choir was named in 1973. The Martinis were founded in 1988 by Thomas Gabriel as a youth choir. All groups perform in services, including masses such as Haydn's , Leopold Mozart's Missa in C, K. 115, Mozart's in D minor, K. 65 and , Monteverdi's Missa in F from , the mass for double choir from Missodia Sionia by Michael Praetorius, the Missa aulica by František Xaver Brixi, the Missa secundi toni by Johann Ernst Eberlin, and masses by Johann Caspar Ferdinand Fischer, Hans Leo Hassler, Alberich Mazak, Flor Peeters and Gottfried Heinrich Stölzel. The repertory includes motets such as Bohuslav Matěj Černohorský's Laudetur Jesus Christus, Kuhnau's Tristis est anima mea, Rheinberger's Abendlied and Bruckner's Locus iste. The groups have also included contemporary music, such