BlackBird wrote:As I have been led to believe that it is in fact Morality which is the foundation of Right Concentration
What you have been led to believe is not entirely correct. Jhana comes from abandoning the five hindrances. Morality alone cannot dissolve the five hindrances. Many human beings have ordained as monks & nuns, adhered to hundreds of precepts, but have been unable to dissolve the five hindrances.
In the Buddha's discourses in the Canon, such as Majjhima Nikaya 19 and 23, wisdom is held to be the means for dissolving the five hindrances.
In the Buddha's instruction on Satipatthana, mindfulness functions together with sampajanna. Sampajanna is of the faculty of wisdom.
In the Anupada Sutta, which is about jhana, the wisdom of Sariputta is emphasised.
The Blessed One said, "Monks, Sariputta is wise, of great discernment, deep discernment, wide... joyous... rapid... quick... penetrating discernment. For half a month, Sariputta clearly saw insight into mental qualities one after another. This is what occurred to Sariputta through insight into mental qualities one after another:
The quality of wisdom will influence the quality of jhana.
It is best to strive for Buddha-Jhana.