本論文為李家萱碩士畢業音樂會樂曲分析與詮釋報告，簡述作曲家生平，並針對四首曲目做分析與詮釋，分別為喬瑟夫˙霍洛維茲 <給上低音號的協奏曲>、菲利浦˙艾倫˙史巴克<第一號上低音號協奏曲> (Piano Reduction)、伊藤康英<給上低音號和鋼琴的幻想變奏曲>，以及最後一首伏拉迪米爾·柯斯馬<上低音號協奏曲>，四首裡面其中筆者會在最後一首的伏拉迪米爾·柯斯馬<上低音號協奏曲>中分析更多樂曲細節並加以解說其樂曲詮釋，伏拉迪米爾·柯斯馬(Vladimir Cosma 1940-)曾經是小提琴演奏家，所以這首伏拉迪米爾·柯斯馬<上低音號協奏曲>，這首曲子展現出不同於以往的上低音號演奏技巧，曲子多了許多斷音、連音以及雙吐三吐的運用，除了在演奏技巧上的差別，在曲子結構上也多了一些以往較少見的作曲手法，或是和弦的使用。
伏拉迪米爾·柯斯馬(Vladimir Cosma 1940-)曾經是小提琴演奏家，所以這首伏拉迪米爾·柯斯馬<上低音號協奏曲>這首曲子展現出不同於以往的上低音號演奏技巧，曲子多了許多斷音、連音以及雙吐三吐的運用，除了在演奏技巧上的差別，在曲子結構上也多了一些以往較少見的作曲手法，或是和弦的使用。
本論文分為九章來介紹，第一章為緒論，分成三個章節依序為研究動機、研究範圍與方法以及章節架構。第二章是喬瑟夫˙霍洛維茲 <給上低音號的協奏曲>的研究，此章也分為三個章節分別為的作曲家生平與此曲創作背景、樂曲分析和樂曲詮釋。第三和四章皆和第二樂章為同篇章結構，排序依序為，菲利浦˙艾倫˙史巴克<第一號上低音號協奏曲> (Piano Reduction)、伊藤康英<給上低音號和鋼琴的幻想變奏曲>，第五至八章為伏拉迪米爾·柯斯馬<上低音號協奏曲>，第五章為伏拉迪米爾·柯斯馬的生平與此曲創作背景，第六至第八章每章皆分為兩個節，此部分會分別介紹此曲三個樂章的樂曲動機、和聲分析以及筆者的詮釋，最後第九章為總結。

Abstract
This thesis is an analysis and interpretation of music for Chia-Xuan Li master's graduation concert incliding Concerto for euphonium by Joesph Horovitz, Euphonium Concerto(No.1) by Philip Allen Sparke, Fantasy Variations for Euphonium and piano by Ito Yasuhide and the last one Euphonium Concerto by Vladimir Cosma. Among the four songs, the author will analyze more details and explain hers interpretation in the last song, Concerto for euphonium by Vladimir Cosma.
Vladimir Cosma was a violinist, so this Vladimir Cosma < Euphonium Concerto > shows different euphonium playing skills. There are many staccato, legato and double tongue and triple tongue in the piece. There are also some more rare composition techniques in the structure of the music, or the use of chords.
This thesis is divided into nine chapter. The first chapter is the introduction, and it is divided into three sections, which are the research motivation, research method, and chapter structure. The second chapter is the research of Concerto for euphonium by Joesph Horovitz. This chapter is also divided into three chapters: the composer's life and the background of the composition, the analysis of the composition and the interpretation of the composition. The third and fourth chapters are of the same structure as the second movement, in order, Concerto for Euphonium by Philip Allen Sparke, Fantasy Variations for Euphonium and piano by Ito Yasuhide, Chapters 5 to 8 are Vladimir Cosma < Euphonium Concerto >, Chapter 5 is the biography of Cosma Vladimir and the background of the composition, Chapters 6 to 8 are divided into two sections in each chapter, this part will introduce the song respectively .The motives of the three movements, the harmonic analysis and the author's interpretation, and the ninth chapter is the conclusion.

一、中文論文
1. 李佳燁<楊·巴赫《音樂會變奏曲》分析與詮釋>。國立台灣師範大學音樂系碩士班演奏唱組學位論文，2018。
2. 陳韻婷<陳韻婷畢業製作詮釋報告《美國》>。實踐大學音樂學系碩士班，2016。
二、外文書目
Guide to the Euphonium Repertoire: The Euphonium Source Book
三、網路資料
1. Concerto for Euphonium and Wind Ensemble - Wind Repertory Project
2. https://en.wikipedia.org/wiki/Vladimir_Cosma
3. https://en.wikipedia.org/wiki/Euphonium
4. https://en.wikipedia.org/wiki/Conservatoire_de_Paris
5. https://zh.wikipedia.org/zh-tw/%E6%9D%8E%E6%96%AF%E7%89%B9%C2%B7%E8%B4%B9%E4%BC%A6%E8%8C%A8
6. https://en.wikipedia.org/wiki/Joseph_Horovitz
7. https://en.wikipedia.org/wiki/Philip_Sparke
8. https://zh.wikipedia.org/wiki/%E4%BC%8A%E8%97%A4%E5%BA%B7%E8%8B%B1
9. https://bmlo.de/b0847
10. https://www.baike.com/wiki/%E4%B8%8A%E4%BD%8E%E9%9F%B3%E5%8F%B7?view_id=1mgg2fzs2uxs00
11. https://en.wikipedia.org/wiki/Philip_Wilby
12. https://en.wikipedia.org/wiki/Derek_Bourgeois
13. https://www.itomusic.com/english/
四、樂譜
1. Joesph , Horovitz . Euphonium Concerto . Novello and Company Limited , 1991

2.Philip , Sparke . Euphonium Concerto (No.1) . Studio Music Company, Cadence House, Eaton Green Road, Luton,Beds. 1995

3. Ito ,Yasuhide . Fantasy Variations for euphonium and piano. Studio Music Company, Cadence House, Eaton Green Road, Luton,Beds. 2004

4. Vladimir , Cosma. Euphonium Concerto . LAM LARGHETTO MUSIC B. V , 2007