>>cubase: Major Help!, the basics? Options

[i am ake]

i need major help in the area of cubase sx!
the computer: g4 1ghz (1 audio input )
the music: needs to be recorded (track by track if necessary)
the goal: a finished 3 song demo.


any help?
i need a step in the right direction (basics of recording and such)

thanks,
aidan.