Ain't Nobody's Business

ingenious adj(a) ~(at sth/doing sth) (of a person)clever at finding new or simple solutions for complex problems: So you fitted that wire through that little hole there: that's very ingenious! 〇 ingenious at solving difficult crossword puzzles. (b)(of a thing) original in design and well suited to its purpose: an ingenious device,gadget,etc.(c)(of an idea) very clever and original: an ingenious plan, method solution,etc.

ingenuous adj (fml) not attempting to deceive or conceal: open: innocent: ingenuous smile.

Oxford Advanced Learner's Dictionary, with Exam Trainer and CD-ROM

　今日は四時起き。まあまあか。早朝はロシアもの、晩はその他のもの、と決めておいても、どうせぐちゃぐちゃになってしまうんですが。

　早朝からＢ・Ｂ・キングのＬＰ盤。この夏は、擦り切れるまで聴こう。

B.B. King - Ain't Nobody's Business - YouTube