Please choose the correct ending to complete the given sentence: Finance and Business: [header] How to penalize the unlawful use of your music [title] Find contact information. [step] Before you can engage the person or company unlawfully using your music, you must first determine who the responsible party is and how you can get in touch with them. In some cases, this can be a fairly difficult endeavor.

Ending1: [substeps] If the unlawful use is taking place online, look for a name or contact information associated with the owner of the website itself. The website's whois information can let you know who registered the domain. Ending2: [substeps] Websites such as elance or soundcloud offer methods that help you to get the terms, or you can find a different sort of contact form where you can contact the person to discuss your search. Craigslist or music auctions are safe but effective alternatives. Ending3: A great step up is to find contact information for other artists or musicians who play similar instruments. However, in other situations, creating business cards and sending them to the person one by one is just as crucial. Ending4: [substeps] Typically you can find contact information by searching for the " copyright owner "'s name. If your music is copyrighted, you have the name and e-mail address of that copyright owner.

Answer format: ending1/ending2/ending3/ending4