Then contact your credit card company, it may take some time before your refund is officially posted. If you are approved, then your refund will be processed, and a credit will automatically be applied to your credit card or original method of payment, within 2 business days. The Clarke Studies are a series of pedagogical method books written by Herbert L. It is considered a parallel to the "Characteristic Studies" portion of Arban's Method. I have used them for years in my daily practice to maintain my endurance and to prevent fatigue.
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