I play diatonic harmonica (i.e. harmonicas which only contain the notes of a major or minor scale) and a bit of chromatic (all of the notes).
Below is a recording of me playing a bit of blues harmonica in an unconventional musical setting (i.e. its not a blues – just a weird thing I wrote):-
Here are some links to websites that I have found useful to refer to when playing harmonica:-
Here is another list of very useful harmonica resources which was provided by Katie Neale