(Just to make things clear; This world isn't entirely historically accurate in terms of technology. Things like early electricity and fairly advanced metal crafting for ships exist in this world, for instance.)

The barkeep noticed that Octavius almost immediately started loading his gun again. He frowned a little, but let it be. The man was clearly not there to fight. Or at least not at the moment. And a gun wouldn't have much use against him anyway. In fact, he wasn't sure as he had never fought Octavius in the past, but he was sure he could still subdue the man and his crew if needed.

Once the drinks for Octavius were poured he turned to Ceres again. "There's not just a large base on this island, missy. It's also a marine captain's home base. A official no pirate coming here generally wants to mess with." Ceres motioned for another beer to be poured as she thought about the information. Captains usually had jurisdiction over several islands, and all of them were on par with at least her and Ace, if not stronger. That combined with probably a few hundred men under him, and it seemed pretty much impossible to take him on and win. Indeed a very good reason for pirates on the island to keep a low profile. Now she just hoped Octavius didn't get himself into trouble. They needed time to find people for the missing spots in their crew, and she didn't feel like testing their luck against the marines here.

After a while two lights turned on, aimed at the only place in the small bar that didn't have tables or chairs on it. And from the front door entered a man with an instrument. Most people turned their heads to the man and clapped as the man walked to the open space. "Hm, so this is the musician they have..." Ceres mused, glancing back to look for herself. "Don't we still need a musician?" Maybe they could ask him to come. It was unlikely, but if he was good then it was always worth a shot. 

(The musician's your guy, so I'll let you do the describing.)