You must check with your professor to see if Ibid or shortened form are permitted. Some professors have preferences for shortened form citation formatting.
If your bibliography contains two items by the same author, do not repeat the author's name. Instead, replace the name with three em dashes followed by a period.
B: Smith, Mary. Everybody Loves Em Dashes, Always. New York: Turabian University Press, 2011.
B: ———. No Seriously, We All Love Em Dashes. New York: Turabian University Press, 2012.
A music example/figure is a quotation, so you must format and cite the example correctly. Turabian terminology uses "figure" instead of "example." You can insert music figure into your paper by photocopying from a score, or using Finale, Sibelius, or other score-writing programs.
Formatting the music figure:
Figure 7. Johann Sebastian Bach, Adagio from Toccata, Adagio, and Fugue in C Major, BWV 564, mm. 26-31.3
³ Johann Sebastian Bach, Bach-Gesellschaft Ausgabe, vol. 15, Drei Toccaten für Orgel, ed. Wilhelm Rush (Leipzig: Breitkopf und Härtel, 1867): 258.