我听过钢琴协奏曲《黄河》(16)

嘛 mɑ 嘛，用在句末，强调肯定的语气。表示事情本 应该如此或道理显而易见。(~used at the endof a sentence,emphasizes an affirmative tone.It suggests that something should naturally be so,or that reason for something is obvious )

例：不会不要紧，边干边学嘛。 好借好还，再借不难嘛。