Complex sentence: From 1 January 1920, Amu took up an appointment as a teacher at Peki-Blengo E.P. Middle Boarding School, where he taught songs and was keen on making his pupils able to read music well.
Split into simpler sentences: From 1 January 1920 Amu started work as a teacher at Peki-Blengo E.P. Middle Boarding School. On taking his appointment, Mr Amu taught songs and was keen on making his pupils able to read music well.