Lauda Sion (Praise Zion), Op.
He set parts of Lauda Sion, a sequence in Latin for Corpus Christi in 1846.
The piece in eight movements is scored for soloists, a four-part choir and orchestra.
He received a commission for a setting of the Lauda Sion sequence from a Belgian church musician, to be performed at the church St. Martin in Liège in 1846, commemorating the feast's 600th anniversary.
Mendelssohn began the work in 1845, at the same time as his oratorio Elijah, and completed it in 1846.