For solo treble instrument and organ, An Advent Prelude includes the tunes VENI EMMANUEL and CONDITOR ALME SIDERUM. A Christmas Prelude includes the tunes ADESTE FIDELES, STILLE NACHT, THE FIRST NOWELL, DIVINUM MYSTERIUM, ES IST EIN ROS, and MENDELSSOHN. Parts are included for both C and B-flat instrument. Charles Callahan has written harmonically interesting music yet the solo parts are easy; his understanding of both instrumental and organ writing ensures that these will be successful for you.