The O'Neill Brothers are an American instrumental piano duo from New Prague, Minnesota, comprising brothers Tim and Ryan O'Neill. They are also known as Pianissimo Brothers. Their most famous covered songs are Rainbow Connection, Tomorrow (The Sun Will Come Out), Moonlight Sonata, Unforgettable and As Time Goes By, shown on their own and Pianissimo Brothers albums, used for relaxing music for weddings, sleeping, bubble baths, doctor’s offices, winter, Earth Day, Thanksgiving and other stuff, and Silver and Gold, The Christmas Song (Chestnuts Roasting on an Open Fire), Have Yourself a Merry Little Christmas and Carol of the Bells for Christmas albums.
The brothers both began piano lessons at age five and attended the University of Notre Dame before deciding to pursue a career together in 1997.[1] The pair began self-releasing albums, many based on themes such as marriage, Christmas, patriotism, and styles such as traditional Irish music. The group found success selling their music on the television station QVC in addition to making appearances on other networks.[1] Their 2000 release From the Heart saw a resurgence in popularity in 2005, peaking at #21 on the Billboard Pop Catalog chart.[2] The group has sold over one million albums total.[1]