Rodney Graham (1929-2022) School of velocity (24 hours of music divided into fifteen minute intervals, 11:59:48.7617 - 12:14:47.8252), 1993 Set of 15 music papers numbered 181 to 195 in a drawing box Titled on each page top centre Signed and annotated lower right on the first page (no. 195) 45.5 x 37 cm Provenance: Private European collection