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{The best|One of the best|The most effective|The perfect|The very best} warm-up {exercises|workouts|workout routines};  {Technology|Know-how|Expertise} {series|collection|sequence} by Torsten Eil

How To: The most effective warm-up exercises; Technology collection by Torsten Eil

Mastering trills – {technique|method|approach} {series|collection|sequence} by Torsten Eil

Mastering trills – method collection by Torsten Eil