What’s the best web design software to build an online music store?

I’m looking for software that has more bang for the buck. I need Web Design Software that has the following; 1) Search Engine Optimization 2) Database Shopping Cart 3) Import/Export databases 4) Web Storefront Software Tools 5) Retail, Wholesale at once. Please let me know? Thanks!
There is none.
All you need is notepad.
SEO needs [...]