in major

I7 – I7 – I7 – I7 – IV7 – IV7 – I7 – I7 – V7 – IV7 – I7 – V7: E♭7 → E♭7 → E♭7 → E♭7 → A♭7 → A♭7 → E♭7 → E♭7 → B♭7 → A♭7 → E♭7 → B♭7