| Title | Composer |  | 
    
    
        | Oh! Susanna | Stephen Foster | View Music | 
    
    
        | Oh, Dear! What Can the Matter Be? | Traditional | View Music | 
    
    
        | Oh, for a Thousand Tongues to Sing | Carl Gotthelf Gläser, Arranged by Lowell Mason | View Music | 
    
    
        | Oh, How I Love Jesus | Traditional | View Music | 
    
    
        | Oh, Worship the King | Attributed to Joseph Martin Kraus, Arranged by William Gardiner | View Music | 
    
    
        | Old Black Joe | Stephen Foster | View Music | 
    
    
        | Old Dog Tray | Stephen Foster | View Music | 
    
    
        | Old Folks at Home | Stephen Foster | View Music | 
    
    
        | Old MacDonald Had a Farm | Traditional | View Music | 
    
    
        | Old New Hampshire | Maurice Hoffman | View Music | 
    
    
        | The Old North State | Traditional Melody, Arranged by Ora Randolph | View Music | 
    
    
        | Old Rosin the Beau | Traditional | View Music | 
    
    
        | The Old Rugged Cross | George Bennard | View Music | 
    
    
        | On Jordan's Stormy Banks | Matilda T. Durham, Arranged by Rigdon McCoy McIntosh | View Music | 
    
    
        | On the Banks of the Wabash, Far Away | Paul Dresser | View Music | 
    
    
        | On, Wisconsin! | William T. Purdy | View Music | 
    
    
        | Once in Royal David's City | Henry John Gauntlett | View Music | 
    
    
        | Once to Every Man and Nation | Thomas John Williams | View Music | 
    
    
        | Only Trust Him | John Hart Stockton | View Music | 
    
    
        | Onward, Christian Soldiers | Arthur Sullivan | View Music | 
    
    
        | Open My Eyes, That I May See | Clara H. Scott | View Music | 
    
    
        | Oregon, My Oregon | Henry Bernard Murtagh | View Music | 
    
    
        | Our Delaware | Will M. S. Brown | View Music | 
    
    
        | Over the River and Through the Woods | Traditional | View Music |