21. For example, to play an A-clarinet part, a B-clarinet player may mentally substitute tenor clef for the written treble clef . 22. The use of tenor or treble clef avoids excessive ledger lines above the staff when notating the instrument's upper range. 23. The program always begins with the procession of members of the school's Treble Clef Choir through a completely dark auditorium. 24. The scherzo, in B-flat major, maintains the standard ternary form by repeating the sections an octave higher in the treble clef . 25. A couple of years later in 1978 McManus began writing children's songs and forwarded the material to Raffi's label Treble Clef . 26. The tenor voice sounds an octave lower, and is often written using an octave clef ( see below ) or double-treble clef . 27. F transposition became standard in the early 19th century, with the horn sounding a perfect fifth below written pitch in treble clef . 28. Further illustrating the city's musical ties is the typeface, with letters resembling musical notes and treble clefs , used to display the team name. 29. To concentrate on his radio interests, Glatt sold his Treble Clef record stores in 1979 and his Bass Clef concert promotion business in 1985. 30. At the time of the opening of the first store, The Treble Clef was the first stand alone record and music store in Ottawa.