In Volume I/9 of the New Liszt Edition the definitive ten-movement version of the piano cycle Harmonies poétiques et religieuses was published in 1981. On several occasions Liszt mentioned that he attached particular importance to this cycle, and this is confirmed by the fact that he devoted almost two decades (1835-1853) to its composition.

This Supplement volume of the New Liszt Edition initiates the reader into the mysteries of the cycle's genesis, publishing 17 completed pieces written f...