Pianomania

Pianomania had struck the nation - all classes, both sexes.

Source: wiktionary

The popularity of the drawing room ballad was due, in part, to a "pianomania" resulting from the introduction of the upright piano around 1827.

Source: wiktionary

The high point of pianomania fell in the period when the choirboys' style set the pace for Jewish-American music and when Jewish sheet music began to proliferate.

Source: wiktionary

The London branch was closed down, and the firm's output failed to expand, despite the pianomania which had by then spread to every region of the globe.

Source: wiktionary