It seems that a new recording of Marteau's Violin Concerto is on the way.
In 2017 Nicolas Koeckert recorded the concerto with the Deutsche Radio-Philharmonie Saarbrücken Kaiserslautern (near my hometown).
https://www.sr.de/sr/sr2/sendungen_a-z/uebersicht/musikwelt/20171201_musikwelt_sendung100.html
You can find some excerpts on YT. Look for "Nicolas Koeckert- Henri Marteau Violinkonzert- CD preview- Solo Musica- World Premiere".
In 2017 Nicolas Koeckert recorded the concerto with the Deutsche Radio-Philharmonie Saarbrücken Kaiserslautern (near my hometown).
https://www.sr.de/sr/sr2/sendungen_a-z/uebersicht/musikwelt/20171201_musikwelt_sendung100.html
You can find some excerpts on YT. Look for "Nicolas Koeckert- Henri Marteau Violinkonzert- CD preview- Solo Musica- World Premiere".