Major Chord Inversions

In 4/4 time. I used a computer program to work out all of the major combinations (apart from I,IV,V,IV), and got rid of the ones I thought didn't sound good. I then made a tune for each set.

Inversions used in this tune are:
I
IIIb
VIIb
IV
I
IIIb
V
IV
I
IIIb
IV
V
I
IIIb
IV
VIIb

Inversions used in this tune are:
I
VIIb
IIIb
IV
I
VIIb
IIIb
V
I
VIIb
V
VIIb
I
VIIb
V
IV
I
VIIb
IV
IIIb
I
VIIb
IV
V

Inversions used in this tune are:
I
V
IIIb
IV
I
V
IIIb
VIIb
I
V
VIIb
IV
I
V
VIIb
IIIb
I
V
IV
VIIb
I
V
IV
I

Inversions used in this tune are:
I
IV
IIIb
V
I
IV
VIIb
V
I
IV
IIIb
VIIb
I
IV
VIIb
IIIb
I
IV
V
VIIb
I
IV
V
IIIb
I
IV
IIIb
IV
I
IV
VIIb
IV