OM SHREE SATYA SAI BABA DWARKAMAYI YOU ARE SUPREME GOD FORGIVE MY SINS REMOVE ALL MY EVIL KARMAS EVIL OPSTCALS HEAL MY WOUNDS REBUILD MY DAMAGE NERVES GIVE ME STRONGESTH OF UNIVERSE IN MIND BODY AND SOUL HELP ME OM SAI RAM
from my point of view i think it is not possible for a beginner to focus on breathing through this mantra you can focus on breath but this mantra should having the same rhythm first long soham then medium soham after that it should be fast soham if long soham is of 10sec then next rhythm of long soham should also be of 10sec which i observe in sudharshan kriya by art of living by this technique you will able to inhale and exhale breath in a particular manner but that audio is not available at website it should be available in cd which they play at their centre it should be provided to those users who have join their course so that they will able to focus on their breath .
Also you can focus on the tip of your nose with eyes half open and focus on your third eye picturing Sai Baba, Jesus, or any divine teacher at your third eye while chanting and doing So Hum. The eyes half open have a special meaning. Eyes close loses focus. Eyes fully open can distract. Krishna advised this to Arjuna. Also the back be straight.
no, what matters is the meaning of the Mantra, and following the So with the inspiration and the Ham with the exhalation, this is the Holy Name of God, which Prem Rawat also teaches in one of his techniques, in fact So Ham means: I AM