Take a read of the full 4* review from our visit to the NMB Bradford weekend. “Growling through the trombone is a new one for me,” admitted one musician between performances of Ailís Ní Ríain’s work Holocene. Bradford Cathedral echoed with squawks, rattles and primordial grumbling as the combined forces of Onyx Brass and Hammonds Band conjured Ní Ríain’s…