Modals are verbs used for actions that involve permission, suggestions, advice, obligations, abilities, probabilities, and any other type of modality.
Although you didn't show the song that this question refers to, it is possible to find the song in questions similar to yours. The music is in the attached image.
Therefore, we can find the modals (which will be in bold) in the following lines:
The meaning of these modals can be seen below:
More information:
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