Mountain Dulcimer Tab
| Title | Composer | |
|---|---|---|
| O Sanctissima (DAA Tuning) | Traditional | View Music |
| Oh, for a Thousand Tongues to Sing (DAD Tuning) | Carl Gotthelf Gläser, Arranged by Lowell Mason | View Music |
| Oh, How I Love Jesus (DAD Tuning) | Traditional | View Music |
| Oh, Worship the King (DAD Tuning) | Attributed to Joseph Martin Kraus, Arranged by William Gardiner | View Music |
| Old Folks at Home (DAD Tuning) | Stephen Foster | View Music |
| Old MacDonald Had a Farm (DAD Tuning) | Traditional | View Music |
| Old New Hampshire (DAD Tuning) | Maurice Hoffman | View Music |
| The Old North State (DAD Tuning) | Traditional Melody, Arranged by Ora Randolph | View Music |
| Old Rosin the Beau (DAD Tuning) | Traditional | View Music |
| The Old Rugged Cross (DAD Tuning) | George Bennard | View Music |
| On Jordan's Stormy Banks (DAD Tuning) | Matilda T. Durham, Arranged by Rigdon McCoy McIntosh | View Music |
| Once in Royal David's City (DAD Tuning) | Henry John Gauntlett | View Music |
| Once in Royal David's City (DAA Tuning) | Henry John Gauntlett | View Music |
| Once to Every Man and Nation (DAD Tuning) | Thomas John Williams | View Music |
| Only Trust Him (DAD Tuning) | John Hart Stockton | View Music |
| Onward, Christian Soldiers (DAD Tuning) | Arthur Sullivan | View Music |
| Our Delaware (DAD Tuning) | Will M. S. Brown | View Music |
| Over the River and Through the Woods (DAD Tuning) | Traditional | View Music |
| Over the River and Through the Woods (DAA Tuning) | Traditional | View Music |
| Over There (DAD Tuning) | George M. Cohan | View Music |
| The Parting Glass (DAD Tuning) | Traditional | View Music |
| Pass Me Not, O Gentle Savior (DAD Tuning) | William Howard Doane | View Music |
| Pat-A-Pan (DAD Tuning) | Bernard de la Monnoye | View Music |
| Polly Put the Kettle On (DAD Tuning) | Traditional | View Music |