Peter's first libretto for a chamber opera, Ermesinde's Long Walk, in a collaboration with Luxembourg composer Albena Petrovic Vratchanska, is to be performed at Castello Ducale, Torremaggiore, in Italy on February 17th.

His second libretto, with Albena and Svetla Georgieva, Love and Jealousy, a two acts full opera with orchestra (duration two hours) will have its world premiere on 15th May at the National Opera House Stara Zagora in Bulgaria.