In 1874, he became conductor of the newly formed Guild of Amateur Musicians. In 1878, Leslie and others made another attempt to form a national music school, which was successful and became the predecessor of the Royal College of Music.
In 1874, he assumed the position as conductor for the newly formed Guild of Amateur Musicians. In 1878, Leslie and others made another effort to establish a national music school, which was successful and eventually led to the formation of the Royal College of Music.