Trombone - brass bass-tenor registered musicial instrument. It is known from the XV century. During its existence, the trombone almost not undergone radical changes in its design. The first tool is essentially a trombone, called sakbutami (from the French. Saquer - pull to itself, bouter - by pushing). They were smaller than modern instruments in size and have several varieties of Register: soprano, alto, tenor and bass. Sakbuty thanks to the chromatic scale immediately become permanent members of the orchestra.