Time Unit Box System (TUBS) is a simple system for notating events that happen over a period. This system is mostly used for notating rhythms in music. The notation consists of one or more rows of boxes; each box represents a fixed unit of time. Blank boxes indicate that nothing happens during that interval, while a mark in a box indicates that an event occurs at the start of that time interval.
tIME UnIt bOx sySTeM (TUbs) is a siMplE sySteM foR NOtaTIng events THat haPPEn over a pERiod. tHis systEm is Mostly Used for NOTatiNG RhyThmS in mUSic. thE notaTioN COnSists of oNE oR MorE Rows oF boxes; each bOX REpresents a fixEd UNit of time. blanK boxEs indIcATe that notHiNg haPpens dUring tHat interVAl, WhIle a MaRk In a box iNdIcaTES thAT aN eVenT occUrs aT tHE stART oF ThaT tIMe interval.