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The Khan Variations for Solo Marimba by Alejandro Viñao: Musical Analysis and Performance Practice

Description: The Khan Variations is the first work for solo marimba by Argentinean composer Alejandro Viñao (b.1951). Since publication in 2001, Khan Variations has been performed at many international percussion festivals and is often a repertoire choice for performers in the final round of numerous marimba competitions. This thesis and accompanying lecture recital provide a supplemental guide to Alejandro Viñao's Khan Variations, focusing on analytical and structural theory, as well as performance practice, thus filling the void of information on this piece in the percussion community. Khan Variations was jointly commissioned by twelve of the world's prominent marimba performers and educators, including: Michael Burritt, Jack Van Geem, William Moersch, Robert Van Sice, and Nancy Zeltsman. The project organizer of the Khan Variations commission was Nancy Zeltsman, Chair of the Percussion Department at the Boston Conservatory and a leader in the field of commissioning new marimba works. Utilizing William Moersch's organization New Music Marimba as the financial conduit, Zeltsman and her group issued this commission in 1999. Alejandro Viñao studied composition with the Russian composer Jacobo Ficher in Buenos Aires, and Viñao later went on to complete his doctorate in composition from City University in London. His works span the genres of opera, choir, orchestra, electroacoustic chamber music, and more than twenty film scores. Viñao's composing style is influenced by Mexican-American composer Conlon Nancarrow and Islamic religious music known as Qawwali. Alejandro Viñao's works typically contain complex rhythmic structures and use rhythm as the main element for musical form and development. The impetus for this thesis is to provide a musical analysis and performance guide for The Khan Variations by Alejandro Viñao. This thesis also illuminates the significance of the joint commission led by Nancy Zeltsman, and highlights the influences and inspirations of Alejandro Viñao as a rising composer of international renown.
Date: May 2010
Creator: Roberts, John Francis
Partner: UNT Libraries

An Analysis of Inter-Rater Reliability in Selection of Beginning Teachers

Description: The problem with which this investigation is concerned is that of achieving reliability of administrative judgment in the selection of beginning teachers. This study has a threefold purpose. The first is to determine the type and extent of investigation necessary to achieve reliability of judgment in the ratings of teacher applicants. The second is to investigate the feasibility of a Regional Education Service Center's providing personnel selection services to independent school districts. The final purpose is to develop recommendations relating to reliability in teacher selection.
Date: December 1973
Creator: Roberts, John Franklin
Partner: UNT Libraries

Control of Cherry Leaf-Spot

Description: "The leaf-spot of the cherry seriously injures both sweet and sour varieties of that fruit in many sections of the eastern half of the United States. It is caused by a fungus which lives through the winter on the fallen leaves and infects the new leaves in the spring. The best control of this disease is obtained by spraying with a diluted lime-sulphur solution or with Bordeaux mixture 1) as soon as the petals fall, 2) about three weeks later, and 3) directly after the fruit is picked." -- p. 2
Date: 1919
Creator: Roberts, John W. (John William), 1882- & Pierce, Leslie
Partner: UNT Libraries Government Documents Department

Control of Cherry Leaf-Spot

Description: Revised edition. "The leaf-spot of the cherry seriously injures both sweet and sour varieties of that fruit in many sections of the eastern half of the United States. It is caused by a fungus which lives through the winter on the fallen leaves and infects the new leaves in the spring. The best control of this disease is obtained by spraying with a diluted lime-sulphur solution or with Bordeaux mixture 1) as soon as the petals fall, 2) about three weeks later, and 3) directly after the fruit is picked." -- p. 2
Date: 1937
Creator: Roberts, John W. (John William), 1882- & Pierce, Leslie
Partner: UNT Libraries Government Documents Department

Apple blotch.

Description: Describes the disease of apple blotch, how it spreads, and ways to control it.
Date: 1940
Creator: Roberts, John W. (John William), 1882-1957. & Pierce, Leslie.
Partner: UNT Libraries Government Documents Department

Apple scab.

Description: Discusses apple scab, its economic impact, distribution, susceptibility of various apples to the disease, and preventive measures.
Date: 1939
Creator: Roberts, John W. (John William), 1882-1957. & Pierce, Leslie.
Partner: UNT Libraries Government Documents Department

Peach brown rot and scab.

Description: Describes the characteristics of two peach diseases, brown rot and scab; also describes the damage they cause and methods of control.
Date: 1940
Creator: Roberts, John W. (John William), 1882-1957. & Dunegan, John C. (John Clymer), 1898-
Partner: UNT Libraries Government Documents Department