Karl Stefan Aichelburg was a mandolin virtuoso and composer who lived at the beginning of the nineteenth century in Vienna and there wrote Opus 1, Potpourri for mandolin and guitar, Opus 2, Variations for mandolin and guitar, Opus 3, Nocturne concertantes for mandolin and guitar and Opus 4, Variations concertantes for mandolin and guitar. The above compositions were published by Haslinger, Vienna.