Answer this question to the best of your ability:
Is it normal for an advanced meditator to experience Piti and Sukha simultaneously during Access Concentration?
Yes, it is quite possible for an advanced meditator to experience both Piti (sense of energy) and Sukha (sense of joy, non-sensual pleasure) simultaneously during Access Concentration. In fact, the concurrent presence of these sensations can be seen as a sign of progress in one's meditation practice. As you continue to deepen your concentration and focus at this level, you will likely become more attuned to the subtle sensations that arise and how they interact with each other.