Let's start jamming Buddy Guy - (Slippin Out, Slippin In) Someone Else Is Steppin In chords, Practice these chords sequence - Bb, Fm, F, C, Bb, Fm and C. Begin your practice at a relaxed 52 BPM, then work your way up to the song's BPM of 105. To match your vocal range and chord inclination, adjust the capo in line with the key: F Minor.