Hot Off the T: Ska, Big Metal Fish and More

1) Happy birthday, Johann

The hosts a day of Bach to . The pipe organ music starts 10:30 a.m. Saturday and includes several programs. Best of all, the event is free. Take the commuter rail to North Station, then the Orange Line to Back Bay and walk 14 minutes to the church.

2) Inspiration on an island

Artists take to the water Saturday as the Boston Harbor Islands Alliance hosts a harbor cruise and creative session on Spectacle Island. Artists are encouraged to take photos, set up easels or do what else moves them starting 10 a.m. Saturday. Tickets are $14-$20 and should be ordered in advance. Take the commuter rail to North Station, then the Orange Line to State Street and walk nine minutes to catch a ferry at Long Wharf.

3) Inspiration on the shore

It’s been such a beautiful week, and yes, the temperature will dip a bit this weekend, but there’s still plenty to do outside. Take a ride on the Blue Line to visit HarborArts Shipyard Gallery in East Boston. Shows of note in this outdoor gallery include “Hazards of Modern Living,” and “The Fish.” The gallery is open from sunrise to sunset every weekend. Take the commuter rail to North Station, the Orange Line to State, then the Blue Line to Maverick and walk 11 minutes to the gallery.

4) Have the time for some good music?

Put on your best pork pie hat and skinny tie: Ska legends The Slackers take to the Middle East Downstairs stage Saturday night. Tickets are $15 for the 18+ show and doors open at 9 p.m.. Take the commuter rail to North Station, the Orange line to Downtown Crossing, then the Red Line to Central Square and walk three minutes to the Midde East.

5) Celebrate Women’s history month

This week’s event is a . The tour is $15 and starts at the Otis House 2 p.m. Sunday. Take the commuter rail to North Station, then the Orange Line to State Street and walk nine minutes to the Otis House.