 Based out of Chicago during the decade, he made several forays abroad, playing in Paris with Wallace Bishop in 1951, Django Reinhardt, and Woody Herman on his 1953 tour of Europe.Upon returning to Chicago in 1955 he played with Bill Russo, Chubby Jackson, James Moody, and Cy Touff.Mosse and Touff also co-led an octet called Pieces of Eight late in the 1950s into the early 1960s, featuring trumpeter John Howell.