| O Katy O'Neil | Irish, Girls Names | |
| O Sole Mio | Enrique Caruso | |
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Yamaha DGX670
#P-1.4 Pop&Rock P1 60sPopRock Tempo: 115 (not too fast) Ending: Use BREAK and STOP |
Ob la di, Ob la da | The Beatles 1968 (wasn't released in the US) |
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#S-1.3
Standards&Jazz P3 Charleston Tempo: 190 Ending: Good, very quick |
Octopus's Garden | The Beatles |
| Ode to Billy Joe | Sinead O'Conner | |
| Of Thee I Sing | George Gershwin | |
| Off We Go Into the Wild Blue Yonder | Patriotic, United States Air Force Official Song | |
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Yamaha DGX670
#E-2.3 Entertainment P2 PubPiano Tempo: 150 Ending: Quick |
Oh Babe What Would You Say? | Hurricane Smith, One Hit Wonders |
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Yamaha DGX670 #P-1.4
Pop&Rock P1 60sPopRock Tempo: 162 Ending: Good |
Oh Boy! | The Crickets (#10 in 1958), Buddy Holly |
| Oh Darling | The Beatles | |
| Oh Girl | The Spinners | |
| Oh Happy Day | Nick Cave & The Bad Seed | |
| Oh! How I Hate To Get Up In the Morning | Irving Berlin, War Songs | |
| Oh Johnny, Oh Johnny, Oh! | Al Jolson, Eddie Cantor, Sophie Tucker, Ziegfeld Follies | |
| Oh Lonesome Me | Don Gibson, Johnny Cash | |
| Oh My Pa-pa | Eddie Fisher | |
| Oh Susanna | Stephen Foster, Traditional | |
| Oh, Them Golden Slippers | Traditional | |
| Oh Very Young | Cat Stevens | |
| Oh What a Beautiful Morning | Rodgers and Hammerstein, Oklahoma, Broadway, Bing Crosby | |
| Oh! You Beautiful Doll! | 1911 | |
| Okie from Muskogee | Merl Haggard, Country | |
| Oklahoma! | Rodgers and Hammerstein, Oklahoma, Broadway | |
| Ol' Man River | Jerome Kern, Oscar Hammerstein, Showboat, Broadway | |
| Old Cape Cod | Patti Page | |
| Old Days | Chicago | |
| Old Devil Moon | 'Yip' Harburg, Broadway, Finian's Rainbow, Frank Sinatra | |
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Yamaha DGX670 #P-5.2
Pop&Rock P1 Live8Beat Tempo: 96 |
An Old Fashioned Love Song | Three Dog Night (#4 in 1971), Paul Williams |
| Old McDonald | Elvis Presley, Sing-a-Long | |
| The Old Piano Roll Blues | Cy Coben, Cass Daley, Lawrence Cook, Hoagy Carmichael | |
| Old Songs | Barry Manilow | |
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Yamaha DGX670
Best to just play solo (no great adaptive style). Use Rock Piano and layer Bright Piano |
Old Time Rock and Roll | Bob Seger and the Silver Bullet Band |
| Ole Buttermilk Sky | Hoagy Carmichael, Kay Kaiser, Paul Weston | |
| On a Clear Day You Can See Forever | Lerner and Loewe, Barbra Streisand, Frank Sinatra, Robert Goulet, Tony Bennett | |
| On a Little Street In Singapore | Frank Sinatra, Manhattan Transfer | |
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Yamaha DGX670 #L-1.1
Latin & World P1 BossaSlow Tempo: 86 Ending: Ok, but use ACMP |
On and On | Stephen Bishop |
| On Broadway | George Benson, Lieber and Stoller, The Drifters | |
| On the Atchison, Topeka & the Santa Fe | Johnny Mercer, Harry Warren, Glenn Miller, Tex Beneke | |
| On the Good Ship Lollipop | Shirley Temple, Rudy Valee | |
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Yamaha DGX670 #C-1.4
Country&R&B P2 Bluegrass Tempo: 90 |
On the Road Again | Willie Nelson, Country |
| On the Street Where You Live | Eddie Fisher, Nat 'King' Cole, Lerner and Loewe, Broadway, My Fair Lady | |
| On the Wings of Love | Jeffrey Osborne | |
| On This Night of a Thousand Stars | Andrew Lloyd-Webber, Broadway, Evita | |
| On Top of Old Smokey | Folk, Song | |
| On Top of Spaghetti | Sing-a-Long | |
| Once In a Lifetime | Broadway, Anthony Newley, Sammy Davis Jr., Stop the World... | |
| Once In Love With Amy | Ray Bolger, Frank Leosser | |
| Once Upon a Dream (Sleeping Beauty) | Tchaikovsky | |
| Once Upon a Time | Broadway, All American, Tony Bennett | |
| One | Broadway, Marvin Hamlish, A Chorus Line | |
| One Angry Dwarf and 200 Solemn Faces | Ben Folds Five | |
| One Boy | Broadway, , Bye Bye Birdie | |
| One Day In Your Life | Michael Jackson | |
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Yamaha DGX670
#P-1.2 Pop&Rock P1 60sGuitarPop USE BREAKS Tempo: 150 Ending: Goodish |
One Fine Day | Carole King, Chiffons (#5 in 1963), The Carpenters |
| One For My Baby | Frank Sinatra, Harold Arlen, Johnny Mercer | |
| One Hand, One Heart | West Side Story, Broadway, Stephen Sondheim, Johnny Mathis | |
| One Headlight | The Wallflowers (1997) | |
| 100 Hundred Years | Five For Fighting | |
| One In a Million You | Larry Graham (1988) | |
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Yamaha DGX670 #P-3.4
Pop&Rock P2 BritPopSwing Tempo: 115 ACMP OFF! Ending: Okay |
One is the Loneliest Number | Three Dog Night, Harry Nillson |
| One Less Bell To Answer | Burt Bacharach, Fifth Dimension | |
| One Love | Bob Marley | |
| One Moment in Time | Whitney Houston | |
| One Note Samba (Samba de Um Nota So) | Antonio Carlos Jobim, Ella Fitzgerald | |
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Yamaha DGX670 #C-6.1
Country&R&B P3 TheBlues Tempo: 98 Ending: Not good, use Break over the T label |
One Of These Nights | The Eagles |
| One Of Those Songs | Shirley Bassey, Liza Minnelli | |
| One of Us | Joan Osborne | |
| The One That You Love | Air Supply | |
| One Tin Soldier | Coven | |
| One-Two-Three | Gloria Estefan | |
| One Week | Barenaked Ladies | |
| Only Sixteen | Dr. Hook | |
| Only the Good Die Young | Billy Joel, Movin' Out (Broadway) | |
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Yamaha DGX670 #C-1.1
Country&R&B P1 70sChartCntry Tempo: 115 Ending: Ok, be careful |
Only Yesterday | The Carpenters |
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Yamaha DGX670
#E-5.4 Category P3 Schlager6-8 Tempo: 82 Ending: AWFUL! |
Only You | The Platters, Ringo Starr |
| O-o-h Child | Dee Dee Sharp | |
| Oom Pah Pah | Broadway, Oliver! | |
| Ooo Baby Baby | The Miracles, Linda Ronstadt | |
| Oops! I Did It Again | Britney Spears | |
| Open A New Window | Mame, Broadway, Jerry Herman | |
| Open Arms | Journey, Mariah Carey | |
| Open the Door, Richard! | Count Basie, Louis Jordan, The Pied Pipers | |
| Operator | Manhattan Transfer | |
| Operator (That's Not the Way it Feels) | Jim Croce | |
| Orange Colored Sky | Nat 'King' Cole, Natalie Cole | |
| Original Rags | Scott Joplin, Instrumental | |
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Yamaha DGX670
#L-2.2 Latin & World P1 OrchestralBossa Tempo: 120 Ending: Good |
Our Day Will Come | Ruby and the Romantics, The Carpenters, Frankie Valli |
| Our House | Crosby, Stills and Nash | |
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Yamaha DGX670
#P-2.2 Pop&Rock P1 80sAmericanPop Tempo: DEFAULT(96) Ending: Acceptable |
Our House | Madness |
| Our Love Is Here To Stay | George Gershwin, Nat 'King' Cole | |
| Out of My Dreams | Rodgers and Hammerstein, Broadway, Oklahoma! | |
| Over My Head (Cable Car) | The Fray (#1 in 2006) | |
| Over the Rainbow | Harold Arlen, Yip Harburg, Judy Garland, Movies, Rain, The Wizard of Oz | |
| Over There | George M. Cohan, Patriotic | |
| Over You | Gary Pucket and the Union Gap | |
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Yamaha DGX670
#B-2.2 Ballad P2 EPBallad Tempo: 122 Ending: THE WORST |
Overjoyed | Stevie Wonder |
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Yamaha DGX670
#L-3.4 Latin & World P1 Guajira Tempo: 118 Ending: Acceptable |
Oya Como Va | Santana |