My sister is an artist (https://soundcloud.com/hannahwerdmuller https://soundcloud.com/hannahwerdmuller) and I would like to front her $20. The website as it st

My sister is an artist (https://soundcloud.com/hannahwerdmuller https://soundcloud.com/hannahwerdmuller) and I would like to front her $20. The website as it stands looks like a lottery, mostly because of the "if we like it" component. How can I reassure her and get her to agree to submit her music to you?