Oriģināls: Life's Hard. Life's Hard composed by Dirkjan van Groningen. Percussion sheet music. Snare Drum sheet music. Advanced. Cadence.
Tulkojums: Perkusijas notis. Snare Drum notis. Uzlabots. Par lamatas bungas, Multi tenoriem, cimboles, tonālās Bass Bungas. Soļo Sitamie Series. Ritms.