Crossing Borders is a new progressive series of volumes designed to introduce the developing pianist to a broad range of popular music, including jazz, blues, rock, and pop. Most of the pieces are original, written by Remo Vinciguerra, and the series as a whole is intended to be used as a lively and entertaining parallel to the standard classical training. Book 4 features 18 pieces entitled as - Funky Bear, Joker, Bucking Bronco, Let's Go, The Comedians, On The Waves, Gold, Off-beat, Domino,