Once you have downloaded a PDF from IMSLP, here are three unique practice tips specific to this piece:

Oblivion is written in 4/4, but it breathes like a 2/2 (cut time). The melody often starts on the "and" of beat 4, leading into beat 1. Practice singing the melody while conducting a slow 2-beat pattern. This will internalize the suspension that gives the piece its nostalgic ache.

Despite the copyright restrictions, IMSLP remains a valuable research tool for Oblivion in indirect ways: