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O

 366.Ob-la-di Ob-la-da (26.11)
     bb +d +F bb +d +F bb +d +F p p +bB +F +be +d +be +d +C bB

 367.Olipa kerran ihminen
     a g a f a e a d a #C a d a e a f f f p a g a a a p e p f p d p #C #C #C #c d d d

 368.Olle (17.11)
     a d a e a e d e a e d e a d e a d e e

 369.On hanget korkeat nietokset (12.11)
     #F B B A a a G G #F #F D D D d e #F #F

 370.Onnelliset (04.01)
     G G E G +C A F G G p E E p D C D E A F D G G G

 371.O-Sole-Mio
     +c +c b g G b b a F b b a f F d e f G g #g G f +c #g G e d c g G e d c C

 372.Ostakaa makkaraa v1.0(16.11)
     B A G p p B A G p p g g g g a a a a B A G

 373.Ostakaa makkaraa v2.0 (25.11)
     E D C p E D C p c c c c d d d d E D C

 374.Oxygene 4
     +C p p g p #d p g p C p p p +C p p g p #d p g p C p p p #A p p a p g p a p D p p p