The Press Gang is an a cappella three-man sea chantey and Celtic singing group.
From the inrich.com
Walking tours are available, a working boat-building shop is on the premises and sea chantey sing-alongs are held once a month.
From the stltoday.com
Gradually and deliberately, the song turns from a whimsical sea chantey into a foursquare Beatlesque anthem to the port city that birthed and nurtured him.