I would recommend some bookmarking tools other than opera. Use delicious, digg and pinterest for bookmarking.
If you open a new private tab Opera won't save the history of the websites you visited in that tab
Browsing
There are a number of good websites that offer synopses of operas. A couple of these are listed below.
There are a few places that one might find more information about the opera Carmen. There are websites like the website Classical Music as well as places like Wikipedia.
Hall's Opera Block was created in 1876.
Phoenix Opera House Block was created in 1882.
Mt. Horeb Opera Block was created in 1895.
Right click->Block content...
Some of the most popular ways to block websites include using the parental controls. These vary from system to system but they can be used to block sites that people do not want their family to see.
They block websites that would not be beneficial to their educational curriculum.
Schools block proxy websites because they do not want students to go on uneducational websites
Katy ISD blocks websites to keep students from accessing potentially harmful content on the Internet. These websites may however still be opened using a proxy.
Opera DVDs are available online from opera websites like Opera Passion and Met Opera Shop and general merchandise websites like Amazon and eBay. Music and video retail stores may also carry them, especially independent stores with more eclectic inventories.
Many different websites can be blocked. Often employers will block all websites that are not pertinent to the employees job. Parents often block websites that contain pornography and violence.
I would recommend some bookmarking tools other than opera. Use delicious, digg and pinterest for bookmarking.
My mom used to sing opera when she was younger