There are a lot of great low-cost entertainment options this week, and in some cases, they're no-cost. The Pawsox are also playing at home this weekend — what better way to celebrate the country's birthday than with a baseball game and fireworks?

• The Rhode Island Alehouse here in Johnston has karaoke every Friday night at 9 p.m. Why waste your talent by only singing in the shower, when you can put your talent on display for everyone to see? The best part? After a few beers, no one will notice that you don't know the words to "Louie Louie."

• Second Nature plays Ribs & Company this Friday night from 7:30 to 11:30 p.m. AC/DC, Kiss, Lynyrd Skynyrd, and The Doors are on this band's play list.

• Celebrate the holiday weekend downtown by checking out Waterfire this Saturday at sunset. Besides the fires and accompnaying music, you can check out Andrew Anselmo, "The Origami Guy," mime artist Michael Grando, Spogga, the fire dancer, and The Gargoyles and The Oracles, a living art installation. Where else can you get a night out like this for free?

• If you want to see some of the biggest names in rock, then you probably won't be at The Met this Thursday. On the other hand, if you're looking for great music at a reasonable price, then it's probably right up your alley. The Down and Outs headline, with Coma Coma, This is a Movement, and Eisenfront opening. Dorrs open at 8 p.m. and tickets are just $8.

• Max Dolcelli takes the stage at Catch A Rising Star this Saturday for two shows at 8 and 10 p.m. Tickets are $20.

• Not only are the Pawtucket Red Sox playing at home this weekend, but there will be a fireworks diplay following games from July 1-3. Tickets start at just $5 dollars for adults and seniors, and $7 for adults. Prices do not include over-sized foam fingers.

• For all you fans of shape-changing robots, Transformers: Dark of the Moon opens this weekend. It stars Shia LeBeouf, Josh Duhamel, John Turturro, Tyrese Gibson, and Rosie Huntington-Whitely. Visit Moviefone.com for movie times and tickets.