1- JOHANN NIKOLAUS BACH (or Johann Nikolaus Bach) (20 October [O.S. 10 October] 1669 – 4 November 1753) He was a maker of harpsichords and organs. https://www.youtube.com/watch?v=zAqrB3fflMo 2- WALZER by Johann Sebastian Bach played by Mateo Granic Saxophone feat.  Karen Asatrian Piano https://youtu.be/8_jF1khv_Qo vía @YouTube 3- Menschen am Sonntag - ganzer film 1930 https://www.youtube.com/watch?v=1hg_vL6lQ6I 4- A cappella (Kirby Shaw) by Jazzchor Dresden https://youtu.be/P6qDP5yoG_o vía @YouTube