It could have been by Ulli Bögershausen (1954-)
Ulli Bögershausen is a German solo guitarist and guitar teacher. He is internationally known due to touring Japan, USA and Taiwan in 1995 and further authored several educational books for guitar playing. Börgershausen started classical guitar music education at the age of 9. He is currently mentoring Sungha Jung, a teenage fingerstyle guitar prodigy.
Arranged for the solo guitar by Ulli Boegershausen. Es wäre schön gewesen. 20th century. Acoustic. 34 Measures. 3 Pages. 2/4 Time Signature. Key of G. Video