The Spotify logo was probably designed based on Gotham Medium, with slight modifications on letter “i”. Gotham is a typeface designed by Tobias Frere-Jones in 2000 and it takes inspirations from the architectural signage seen in New York City.
Designed by Tobias Frere-Jones and released in 2000 through H&FJ. Gotham is a geometric sans-serif typeface that is among the most widely used fonts of the last decade. The design was inspired by architectural lettering from mid-century NYC.