Making a solo into a duet--help soon PLEASE

[CatInTheHat]

Okay, I desperately need your help for tomorrow.

I must perform a solo piece, but as a duet with a friend. It's a fairly simple piece, is making it into a duet as easy as me playing the written notes, and her playing the notes two notes lower (ex. if I were playing E-B-A, she would play C-A-F) or what? How can I do this quickly? Please help, I will love you forever and give you cookies. thank you.

[55'gibby]

your best bet is for one of you to play the melody line (the written notes) the other playing the harmony line (you'll have to know a bit of theory)...

[Black Star]

you play the melody, and she can play the counter point to it. The counter point will be a third up from each meoldy note.

did that make sense?

[CatInTheHat]

I sort of figured that out on my own... well... it's in common time, so say the first part was all quarter notes, and was D-G-F-G, she plays two half notes, F and A. It sounds neato, I think.

Will that have the same, worse, or better effect?

[geffen]

if it sounds good then it is right