It turns me on and blows my mind.

Because/The Beatles

Because the world is round, it turns me on.
Because the world is round.

it turns me on.＝回り続ける（眩暈・流転）
この場合の「on」は、副詞（SVO文型）

it turns me on.＝スイッチがONになる（覚醒・幻惑）
この場合の「on」は、形容詞で目的格補語（SVOC文型）

Because the wind is high, it blows my mind.
Because the wind is high.

it blows my mind.＝心躍り、揺さぶられる（動揺）

Love is old, love is new.
Love is all, love is you.

Because the sky is blue, it makes me cry.
Because the sky is blue.

it makes me cry.＝泣きたくなる（ブルーになる）