Consider the following statements regarding musicians and their instruments. 1. Ramnad V Raghavan was a Chennai-based musician who played Mridangam 2. Ustad Asad Ali Khan was a famous active Rudra Veena player and the master of one of the four schools of 'Dhrupad', the Khander School. 3. Pandit Shiv Kumar Sharma, a famous santoor player, was awarded with Padma Vibhushan in 2005. 4. Thetakudi Harihara Vinayakram is an Indian percussionist who plays Carnatic music with Ghatam and is known as the God of Ghatam. Which of the statements given above is/are correct?