Thanks. It's a first approach and yes, there are errors in timing as well as in harmony.

I would need some proficiency with a keyboard, it is much helpful when writing music or testing a piece part. The flute is not much useful as one needs both hands and no chords are possible. and the notation SW is slow (I can playback only complete measures).

I have a KBD but, I lack the space to install it (sounds stupid but is a problem here at home) and, I could never go further than the second or third lesson when I tried learning piano a couple of years ago...

<Added>

I tried to improve it later, but actually its getting worse. I 'll leave it for the moment and concentrate in my playing. The audition is too close and I do not feel I am up to it fo the time being