"Well, at least I made it to the end. Now what have I got here?"
The musician looks around, searching for runes, ancient inscription or anything that could explain who built this cavern and why, truly impressed by the dwarven craft he sees.
(Search check 20 (!!!) + 2 = 22 Bardic knowledge check 6+7=13)
He looks also if whoever built the road thought about a way to light it, and if he can't find anything he lights a candle and leave in on the dais.
Then he walks along the road, looking for a passage to go upstairs, possibly.
[OOC: Zhure, I can go on alone, but maybe the others feel like they're missing the fun. I don't know what it's best to do, so I'm acting totally IC.]