艾瑞克．依瓦森（Eric Ewazen, 1954-），是美國著名的現代樂派作曲家，此首曲目為寫給低音長號或低音號的協奏曲，但寫曲風格與技巧偏向給低音長號吹奏，所以演奏此協奏曲對低音號演奏者來說是一個挑戰。此次筆者將以低音號來演奏與詮釋此曲，會出現哪些因技巧與風格的不同所產生的火花。
筆者將本文分為五個章節來探討並分析艾瑞克．依瓦森低音號協奏曲。第一章為緒論說明研究動機與方法；第二章則探討艾瑞克．依瓦森的生平與作品創作風格；第三章將艾瑞克．依瓦森低音號協奏曲做樂曲分析；第四章為筆者對艾瑞克．依瓦森低音號協奏曲的樂曲詮釋；第五章則為本論文提出總結結論。
Eric Ewazen（1954 - ）is a distinguished American composer in contemporary music. This concerto is written for bass trombone or tuba, but the style and technique is more suitable for trombone players, so it is a great challenge for tuba players. The writer is going to interpret this concerto by tuba and the sparkle will show up because of different technique and style.
This article is divided into five chapters to analyze Eric Ewazen’s Tuba Concerto. The first chapter is an introduction to demonstrate the motivation and research methods; the second explores Eric Ewazen’s life and his writing style; chapter three is the music analysis of Eric Ewazen’s Tuba Concerto; the forth chapter shows the author’s interpretation of this concerto; final chapter is the summary of the thesis statement.
