Renato Ferrari is an Italian pianist and composer who has released several albums of calming and meditative music. His style is characterized by delicate melodies and gentle harmonies that create a peaceful and introspective atmosphere. The tracks on "Deep Sleep" are all instrumental and feature a solo piano. The pieces are slow and gentle, with a focus on creating a soothing and relaxing atmosphere. The album is intended to be listened to while falling asleep, but can also be used for meditation, yoga, or other relaxation techniques.