If someone asks or hires you to record bass on their song, remember, it’s not about you, it’s about their song. Check to see if they have any preconceived ideas about what they are looking for. They may have a particular song’s bass line that they would like emulated. They may trust your instincts and let you roll with it. Whatever happens, remember, when they ask you to change something you played, it’s not about you, it’s about their song.