Guildhall School of Music & Drama has announced its summer 2025 season. Here is a rundown of the vocal performances on offer. First up is “The Gold Medal,” the final of the school’s prestigious music prize. The vocal soloists include soprano Manon Ogwen Parry, baritone Redmond Sanders and soprano Seohyun Go. Jonathan Stockhammer will conduct the Guildhall Symphony Orchestra in the performance. The jury {…}