Last night in our Maundy Thursday service at Calvary Baptist Church, we sang a lot of music, but most poignant for me was the singing of Mozart's Ave Verum.  You see, Maundy Thursday is, well, my anniversary.  And it was Mozart's Ave Verum that we sang in 2006, the first night I attended a service at Calvary as a substitute singer.  And, it was on another Maundy Thursday that I made my decision to join, a decision that has changed so many things in my life. Maundy Thursday has always loomed large in my life of faith and church; as a child, my parents would always take me to the…