Meeting 2017 – Haertl – Rhythmus-Pyramide (GITEC 17) Meeting 2017 - Haertl - Rhythmus-Pyramide (GITEC 17)
Meeting 2017 – Haertl – Sololicks-Gruppierungen (GITEC 17) Meeting 2017 - Haertl - Sololicks-Gruppierungen (GITEC 17)
Meeting 2017 – Haertl – Timing-Groove – Übungshinweise (GITEC 17) Meeting 2017 - Haertl - Timing-Groove - Übungshinweise (GITEC 17)
