\version "2.10.20"

tA = \relative c'' { c16 e g f }
tB = \relative c'' { e16 f d e }
tC = \relative c'' { c16 d e d }
tD = \relative c'' { c16 d b c }

estudo = \new Staff { \tA \tB \tA \tB
                         \tA \tB \tC \tD
				}

     \score {
       {
        \estudo
       }
     }