One key factor in developing the popularity of the music in the UK and across Europe in the early 1960s was the success of the American Folk Blues Festival tours, organised by German promoters Horst Lippmann and Fritz Rau.
Attendees of early festivals included such influential musicians as Mick Jagger, Eric Burdon, Eric Clapton, and Steve Winwood.
Louis Horst | Horst Liepolt | Horst Hrubesch | Horst Köhler | Horst | Walter Lippmann | Horst Schumann | Horst Buchholz | Horst Wessel | Horst Stein | Horst Muhlmann | Horst Jankowski | Horst Bredekamp | Horst aan de Maas | Hans Horst Meyer | Horst Heese | Horst H. Baumann | Horst Fascher | Gabriel Lippmann | Colloque Walter Lippmann | 18th SS Volunteer Panzergrenadier Division Horst Wessel | Horst Zuse | Horst Wohlers | Horst-Wessel-Lied | Horst von der Goltz | Horst Steinmann | Horst Schmid | Horst-Rüdiger Schlöske | Horst Rosenkranz | Horst Niemack |
He recorded several albums with Johnson (one produced by Len Kunstadt for Spivey Records, one produced by Horst Lippmann) and a solo album on Spivey entitled The Artistry of Nat Riddles. He also contributed several cuts to a Spivey series of LPs entitled New York Really has The Blues.