I played some Blues for Organ so here is the result
Speed it up. Maybe 160 0r 170 bpm.
This aint blues.
Progression is incorrect.
Timothy, you need to examine other great songs closer, such as Eloquently Scatter Upon the Face of Modulation. Look at the chord progression, look at how the style matches up with it, look at the drumming, look at the changing melody.
On another note, you need to learn time signatures and genre.
his chord progression is fine guys seriously. their just 7th chords! I IV I VII I. Please verbist invert your chords though.