The Royal Opera House Covent Garden website is here  (opens in a new window)

The Percussive Arts Society website is here  (opens in a new window)

ROH percussionist Ronnie McCrea's autobiography From Laurel & Hardy to Pavarotti is available here in print form and here for Kindle  (opens in a new window)

ROH DVDs plus many others can be found here on Amazon  (opens in a new window)

One of show drummer Eric Delaney's appearances on The Morecambe & Wise Show is here  (opens in a new window)

Playing the stage drums in La Boheme?  A handy audio file is here  (opens in a new window)

Archive clips of Teddy Brown, the legendary drummer and xylophonist are here  (opens in a new window)