Ludwig van Beethoven composed his Piano Sonata No. 12 in A♭ major, Op. 26, in 1800–01, around the same time as he completed his First Symphony. He dedicated the sonata to Prince Karl von Lichnowsky, w
1801 engraving by Johann Joseph Neidl, after a now-lost portrait of Beethoven by Gandolph Ernst Stainhauser von Treuberg, ca. 1800