DESCRIPTION:
"Mona Lisa" by Chris Clouse (album: Chimera)

Lyrics:
When I go to take a pill,
I search the bottle, holding near
To see what I am taking:
If I need to eat or fear
When I'm driving in my car
Look to the sign to see how far,
How far this road will take me
Where the closest cities are
Ah but she keeps me wondering

My Mona Lisa
Is that frown or a grin?
She'll take me for a while
I'll go the extra mile
Mona Lisa
I wanna make her smile
Yeah I want to make her smile

Many pass and see her beauty
Been intrigued by the unknown
But I want to see her deeper
Love her 'til I've kissed the bone
Dash of salt corrodes the vault
So I will rain her with my love
Assult on the earth happens,
Will my power be enough
Although she keeps me wondering

My Mona Lisa
Is that frown or a grin?
She'll take me for a while
I'll go the extra mile
Mona Lisa
I wanna make her smile
Yeah I want to make her smile

If she could give me a sign
So long a way stealing time

Ah but she keeps me wondering

My Mona Lisa
Is that frown or a grin?
She'll take me for a while
I'll go the extra mile
Mona Lisa
I wanna make her smile
Yeah I want to make her smile

This are the best lyrics I found. Some parts are really difficult to understand. If you have another interpretation of e.g. "Is that frown or a grin?", please let me know!