"Runaway" was made famous by Del Shannon in 1961 when it was released in the February of that year and quickly became an international hit. At its height it was said to be selling at the rate of 80,000 singles per day and in the June made number one in the UK.
It was written with Max Crook who had invented his own clavioline-based electric keyboard called a Musitron which features in the original recording. The song was originally recorded in A minor, but the producer sped up the finished recording to just below B-flat minor.
The iconic synthesiser sound in this arrangement is reproduced as a solo on Soprano cornet, and should be within the capabilities of most players provided attention is paid to the breathing regime.