Praeludium in C BuxWV 136 Praeludium in A BuxWV 151 Praeludium in A BuxWV 152 Praeludium in A BuxWV 153 Praeludium in E BuxWV 143 Praeludium in G BuxWV 150 Praeludium in e BuxWV 142 Praeludium in G Praeludium in d praeludium and allegro