Her father, Thomas Telfer, joined the Cooperation band in the 1940s and became its solo trombonist. Cathie's father Thomas was a celebrated trombonist (Image: Supplied)Cathie, who resides at Newton House in Newton Mearns, was also joined by her son Alastair who flew in from Singapore to be part of the celebrations, along with friends. "Not only seeing my son, but to have the band here playing songs. In 2019, it was renamed the Cooperation Band following support from Scotmid Co-operative. It is one of the most successful bands in Scottish brass band history, having won the Scottish Championships 37 times.