But he was best known for his long collaboration with Armstrong.

She had a long professional collaboration with lyricist Bill Katz.

He is known for his long collaboration with director Leonardo Pieraccioni.

Thus began a long professional collaboration and friendship between the two.

It could only have come out of that long collaboration, which took differences of class, race and sexuality and turned them into art.

The writing process was long collaboration between the brothers, occurring intermittently over a period of five years.

Grateful readers can only hope that this represents the beginning of a long and fruitful collaboration.

The couple began their long collaboration in 1954.

Gropius accepted the offer and a long collaboration began that continued until 1925 when the last buildings on the site were completed.

He has had a long collaboration with Israeli music producer Lyrik.