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If you decide to hire HDQTRZ Mastering Studios for your mastering needs please CONTACT US and we will send you details on how to send us files. If you wish to send us a sample file to test the quality of our services, please follow the instructions HERE.

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We are so confident that we can master your audio to the highest possible standard; we are offering a FREE master of your 45 second long audio file. Don't take our word for it; listen to our results for yourself.

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Earle Holder – Grammy Member

HDQTRZ's Grammy Judge Earle Holder has been accepted as a voting member of The Grammy's Recording Academy for Engineering.
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