The second to last fingering of each chord works a little better with a quick hammer on from the 2nd fret to the 4th. It really comes naturally with the rhythm of this song. Up On the Lowdown I only know cuz so am I, D * Full stop It keeps me hangin round, It keeps me up on the lowdown, Up on the lowdown. I been closer listen', now I can hear you All that stuff that I'd been missin' Warms me, now I'm near you, That's what's so surprisin', you used to be so cold, I only know what I've been (allcountrytabs.com)