Music List: Concert Festivals
| Grade | Title | Composer/Arranger | Publisher | Copyright |
|---|---|---|---|---|
| 3 | Of Wizards and Warriors | Barrett | FJH | 2005 |
| 3 | Okeanas | Bullock | Belwin | 2 |
| 5 | Old Home Days | Ives/Elkus | Southern | 1 |
| 2 | Old Irish Tune | Daehn | Daehn Publications | 2001 |
| 4 | Old Scottish Melody | Wiley | TRN | |
| 3 | Olympic Celebration, An | Taylor | Education | 2 |
| 3 | On a Hymnsong of Lowell Mason | Holsinger | TRN | |
| 4 | On a Hymnsong of Phillip Bliss | Holsinger | TRN | |
| 4 | On A Southern Hymnsong | Holsinger | TRN | |
| 4 | On An American Spiritual | Holsinger | TRN | |
| 4 | On Cloud Nine! | Richrd Saucedo | Hal Leonard | 2012 |
| 4 | On Eagle’s Wings | Smith, RW | Belwin | |
| 3 | On Joyful Wing | Michael Sweeney | Hal Leonard | 2018 |
| 4 | On The American River | Silva | Fischer | 2006 |
| 2 | On the Edge of Tomorrow | Sweeney | Hal Leonard | 2009 |
| 2 | On the Kerry Shore | Jack Wilds | FJH | 2018 |
| 2 | On the Rising Winds | Smith, RW | Belwin | |
| 4 | On Wings of Magic | Wada | Birch Island | 2006 |
| 4 | One Life Beautiful | Julie Giroux | Musica Propria, Inc | 2010 |
| 4 | One Life Beautiful | Julie Giroux | Musica Propria | 2010 |
| 5 | Only Light, Only Love | Leslie Gilreath | C Alan Publications | 2015 |
| 2 | Onward | Garu Gilroy | Daehm | 2006 |
| 2 | Opus in Pastel | Tom Tucker | PDF Band Music | 2010 |
| 5 | Original Suite, An | Jacob | Boosey & Hawkes | |
| 5 | Original Suite, An | Gordon Jacob | Boosey & Hawkes | 2007 |
| 4 | Orion | Jan Van der Roost | De Haske Publications | 2000 |
| 5 | Orpheus in the Underworld | Offenbach/Lake | Carl Fischer | |
| 2 | Orpheus Overture | Offenbach/Conley | Carl Fischer | POP |
| 6 | Othello | Reed, A | Hal Leonard | |
| 4 | Our American Heroes | Steve Rouse | Manhattan Beach | 2003 |