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Amazon.com: Evans Hydraulic Drum Heads - TT14HR - Drum Head with Layer of Oil - Supresses Unwanted Overtones - Ideal for Rock, Metal, & Funk - Red, 14 Inch : Musical Instruments
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Amazon.com: Evans Hydraulic Drum Heads - TT20HB - Bass Drum Head with Layer of Oil - Supresses Unwanted Overtones - Ideal for Rock & Gospel - Blue, 20 Inch : Musical Instruments
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