Preludio IV by Guido Santórsola is a work for solo classical guitar and is the fourth of the composer's Cinco Preludios. The piece is dedicated to the significant Argentine guitarist and educator María Luisa Anido. It features melodic and harmonic richness, adding a distinctive tone to contemporary classical guitar.

The Edizioni Berben edition includes fingerings by Angelo Gilardino, offering effective assistance in studying and interpreting the work. It is a suitable choice for advanced guitarists interested in Latin American and contemporary guitar repertoire.

• Composer: Guido Santórsola (1904–1994)
• Title: Preludio IV – a Maria Luisa Anido
• Instrument: Solo classical guitar
• Publisher: Edizioni Berben
• Edition code: BE1364
• Fingerings: Angelo Gilardino