Marina Krupkina: Study for decacorde - 10 string acoustic 2017 on December 25, 2017 Marina Krupkina +
Russ Parrish: Happy All things from Charvel - Steel Panthers' Satchel on December 25, 2017 Russ Parrish +
Ciro Manna: guitar solo on 'Fatherland' from Mario Guarini's first solo album 'Now is my turn' on December 25, 2017 Ciro Manna +