A cantata by the composer Robert Delaney was heard for the first time in 20 years last night when "John Brown's Song" was performed in Sanders Theatre by the Harvard Summer School Chorus. The work was first played in 1931, under the direction of G. Wallace Woodworth, former director of the Harvard Glee Club.

An enthusiastic audience of 500 heard. Delaney's work as the central piece in a program of choral music. Other works included Cantatas No. 61 and 118 by Johann Sebastian Bach. Two Choruses from Jephtha" by Geroge Frederick Handel, Two Cantiones Cacrae by J. P. Sweelinck, and The Last Words of David by Randall Thompson.