シャルル＝ヴァランタン・アルカン
The French composer Charles-Valentin Alkan wrote in 1857 his set of Op. 39 études, of which nos. 8–10 were labelled as a concerto for solo piano. It includes markings such as "Tutti", "Solo" and "Piano", as well as instrumental directions such as "quasi-trombe" and "quasi-celli".