Greg
I dont fish much for Catfish (thou AIG's advice is Right ON

) or Musky .... but I do know some things about Bass ....
You want to get a variety of baits or lures ....
First you want to get some Plastics - they can be scented or unscented it dosent really matter ... if the fish are hungry and its presented correctly they will bite .... You can buy scents to add to the plastics if you wish too..
but some of the Plastics you want to get are Plastic Worms - about 6 inches in length are the norm ... Colors (theres millions of them) but these work well - Purple , Black , Red Shad , Green Pumpkin , Watermelon , Tequila Sunrise and Junebug ... like I said there millions of colors but these are some of the Hottest Bass Colors ....
Grubs - same colors as above , plus Chartreuse ...
Craws - same colors as above
Hooks - sizes 1 up to 5/0 .... each size has its varied uses I normally stick with the 1/0 for most of mine but its personal preference here .... you go with what works best for you ....
Crankbaits - you will want some Topwater Baits like a Zara Spook or a Jitterbug or a Hula Popper for starters .... and you also want a Frog lure
(ie : the Spro Bronzeye frog )
Also some Diver Types - Bomber A , Bandit , Rapala and other companys all make Diver Lures .... I lhave a couple of each
Lipless Crankbaits - you will want to pick up a couple of Rat L Traps or the X Caliber type lures .... these are your rattle baits and are used for searching out and finding Bass .....
Im just learning how to use Jigs and Spinnerbaits ... so you may want to ask Rich Lindren (a Mod here) about these type of baits ....
but the ones I listed will help get you started ....
But I do want to warn you that once you start getting lures you wont want to stop .... they actually list as " Bait Monkey itis " , lol but hes our friend so its k ....
welcome aboard
mike