▁by ▁various ▁contemporary ▁compos ers ▁( R au p ach , ▁Hon auer , ▁Sch o bert , ▁E ck art , ▁C . ▁P . ▁E . ▁Bach ). ▁There ▁are ▁also ▁three ▁un number ed ▁concert os , ▁K . ▁ 1 0 7 , ▁which ▁are ▁adapted ▁from ▁piano ▁son at as ▁by ▁J . ▁C . ▁Bach . ▁Con cert os ▁ 7 ▁and ▁ 1 0 ▁are ▁compos itions ▁for ▁three ▁and ▁two ▁pian os ▁respectively . ▁The ▁remaining ▁twenty - one , ▁listed ▁below , ▁are ▁original ▁compos itions ▁for ▁solo ▁piano ▁and ▁or chestra . ▁Among ▁them , ▁fifteen ▁were ▁written ▁in ▁the ▁years ▁from ▁ 1 7 8 2 ▁to ▁ 1 7 8 6 , ▁while ▁in ▁the ▁last ▁five ▁years ▁Moz art ▁wrote ▁just ▁two ▁more ▁piano ▁concert os . ▁▁ ▁P iano ▁Con cer to ▁No . ▁ 5 ▁in ▁D ▁major , ▁K . ▁ 1 7 5 ▁ ▁P iano ▁Con cer to ▁No . ▁ 6 ▁in ▁B ▁major , ▁K . ▁ 2 3 8 ▁ ▁P iano ▁Con cer to ▁No . ▁ 7 ▁in ▁F ▁major ▁for ▁Three ▁P ian os , ▁K . ▁ 2 4 2 ▁ ▁P iano ▁Con cer to ▁No . ▁ 8 ▁in ▁C ▁major , ▁" L üt z ow ", ▁K . ▁ 2 4 6 ▁ ▁P iano ▁Con cer to ▁No . ▁ 9 ▁in ▁E ▁major , ▁" J en amy ", ▁K . ▁