Try modeling the rhythm and tonal patterns at home, with and without the recording. You might even make it a dinner table game for the whole family. You can make up patterns yourself and enlist your spouse or an older child to repeat them after you. Then, try switching roles so you repeat the patterns they create. If your younger child joins in with her own "Ba, ba, ba," repeat it back to her the same way she expressed. This encourages her to try it again!