Technical Difficulties Tab by Paul Gilbert. Learn to play guitar by chord / tabs using chord diagrams, transpose the key, watch video lessons and much more. Technical Difficulties Tabs - Racer X, Version (1). Play Technical Difficulties Tabs using simple video lessons4/5(12). Paul Gilbert – Technical Difficulties tab Artist: Racer X/ Paul Gilbert Song: Technical Difficulties Tuning: Standard * = natural harmonics h = hammer on p = pull off ~ = vibrato / = dip note with bar t = tap note with right hand b=f(ull) = bend full b 1 1/4 = bend one and one half steps i.e. E to F# w/bar = dip or vibrato with tremolo bar.