Five recommendations for "stand-alone" recordings of Beethoven's Piano Concerto No. 4 in G Major Op. 58"
Clara Haskil: https://www.youtube.com/watch?v=Zq5-AGnaw-Q
Edwin Fischer: https://www.youtube.com/watch?v=AMiNzHXFgBQ
Ivan Moravec: https://www.amazon.com/Ivan-Morvec-Plays-Beethoven-Ludwig/dp/B000003LIU
Eugene Istomin: https://www.prestomusic.com/classical/products/8057350--eugene-istomin-the-concert-solo-recordings
Jerome Lowenthal: https://www.allmusic.com/album/beethoven-piano-concerto-no-4-cadenzas-mw0002627987