Everyone has to be a beginner sometime!
I think you're talking about bending the pitch of the note, blues players do this a lot to create a bit of 'colour' in the music.
To bend notes you have to change the chape of your mouth and the pressure and direction of the airflow. It is actually pretty easy once you know how, but making that first leap can be hard for a beginner - don't despair! it comes to everyone eventually.
First thing I want to say is that to bend a note, you need to be able to get a good clean single note i.e. just one reed sounding - if you can't do that yet, then forget bending a while and concentrate on that.
Second is make sure you are blowing and drawing correctly. Seems kinda basic, but a lot of beginners make the mistake of blowing/sucking too hard or from the cheeks. Just try and breathe through the harp. Your tone will be better, you'll have more control and your harmonica will last longer. (the reeds do eventually go flat and you have to replace the harp)
When you are ready to bend your note then do this:
whistle a note.
Now try whistling the note so the pitch drops smoothly down - (think Wile E. Coyote falling down the canyon;))
Do it again and this time focus your attention on your tongue and lower jaw - feel how their shape and position change.
Now try the same thing, but whistling in reverse - so you're sucking not blowing.
Now try using the same tongue and jaw movements to bend a note on the harmonica. Use hole 3 draw - it's the easiest for beginners.
You won't be able to draw bend every note on the harp just holes 1-4 and 6. You can actually blow-bend holes 8, 9 and 10, but that's a whole new story!
I know it's frustrating, but learn to walk before you run. The harp is easy to play, difficult to master. Don't expect to pick it up and play the blues without putting in a lot of practice time. There are no shortcuts.
Trust me, put aside worrying about bending notes until you can play those clean single notes and a few simple melodies - 'Oh Susannah', 'When the Saints Go Marching In', 'Mary Had a Little Lamb' - I know they don't sound nearly so cool, but it's important to know where the notes are and how to play them first.
There are lots of good, free video lessons on YouTube. A lot are aimed at intermediate or advanced players (Adam Gussow's and Jason Ricci's particularly) but the ones by a guy called Jon Gindick are great for beginners
http://www.youtube.com/user/JamCamp06 . He also has a website with some tutorial stuff
www.gindick.com . He makes a living out of teaching harp, so expect to pay for some of it.
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Okay, I won't. But you get the drift.
