Local musician Ryan Hernandez blew away the audience at Harlow's on Saturday with his powerful vocals, acoustic guitar and passionate performance during his “One Man Band” CD release party. A crowd of about 200 gave the 25-year-old a standing ovation during the release party. Adrianne Harrel, who has been following his music for three years, said Hernandez adds a personal touch to his music.  “I really love his covers because it puts a little soul to the songs that you hear on the radio,” she said. “ I think he’s an amazing acoustic artist with broad talent beyond his years.” "One Man Band," which was recorded in a month and a half, has 12 tracks with covers such as “Blackbird" by The