cantabile
[kahn-tah-bi-ley, -bee-, kuhn-; It. kahn-tah-bee-le]  /kɑnˈtɑbɪˌleɪ, -bi-, kən-; It. kɑnˈtɑbiˌlɛ/
Italian [from Latin]

adjective:
songlike and flowing in style.

Children can turn the most mundane sentences into rather cantabile phrases.

OR

From gentle, catabile streams to harsh staccato passages, his compositions test the pianist’s skill, and often, the listener’s patience.