Right I've done it again with the timing (Q:120) inserted.I think that's as close as I'm ever going to get it. There are notes that anyone would hold a little bit longer that actually written but I've even forgotten the name of the conventional symbol (an inverted semi-circle with a dot in the centre) and I don't think I will ever learn it for ABC. Anyway here's what I submitted last to that converter program

X:1
T:The Shipyard Slips
M:4/4
Q:120
K:C
E/D/|CEG>c|BdcB/c/|dB/d/cA/A/|G/cE/DE/D/| CEG>c|Bdce/d/|cAGE/E/|D/ED/CE/D/| CEGc/c/|cB/c/de/d/|cA>cA|GcE/D/E/D/| CEG>c|cB/c/de/d/|cAG/c/c/E/|E/D2