The Hudsons were from West New York, NJ.  The group consisted of  lead Tommy Krup, first tenor Ed Finkleday, second tenor Steve Hamaek and baritone Pete Burlage.

They recorded on the 
Acappella Records Inc. label LP1001
2315-A Bergenline Avenue
Union City, NJ
Jerry Rodgers and Augie DePalma

"New York City to L.A.,
Acappella All The Way"

Lucky Old Sun
Danny Boy
You're The Girl
Everybody's Got A Home But Me
The Neighborhood
If I Loved You

If you have any info on this group please provide in the comments section.