Music interpolation

1. What is an interpolation in music?
2. Is it legal to interpolate a song?
3. What is difference between interpolation and up sampling?

What is an interpolation in music?

Interpolating means that songwriters have to split an already-reduced pie into smaller pieces, because the creators of the original record also get a cut. ... “It's better to have a little bit of a hit record then no record.” “If an interpolation is going to make the record special,” Khajadourian says, “it has to stay in.”

Is it legal to interpolate a song?

And how do I get permission to use each one? ... However, if you are just doing an interpolation of a song, you only need to get permission from the owner of the underlying composition since you are just featuring the underlying composition — not the original recording — in your new song.

What is difference between interpolation and up sampling?

“Upsampling” is the process of inserting zero-valued samples between original samples to increase the sampling rate. ... “Interpolation”, in the DSP sense, is the process of upsampling followed by filtering. (The filtering removes the undesired spectral images.)