描述：Plastic pen striking sequence of four rods from this set of grandfather clock chimes:https://www.merritts.com/merritts/public/product.aspx?ProductID81214 Roughly corresponds to C5, G4, A4, D4 in scientific pitch notation, which is a keyshifted rendition of the fourth grouping from the Westminster Quarters:https://en.wikipedia.org/wiki/Westminster_Quarters Recorded with internal mic of 21.5inch, Late 2009 iMac (sorry to all audio pros