What are the notes 4 las mananitas on the trumpet?

The traditional melody of "Las Mañanitas" can be played on the Trumpet using the notes: C, D, E, G, A, and B. The specific sequence can vary, but a common starting phrase includes C, E, D, E, C, and then moves through the scale. For a more detailed arrangement, it's best to refer to sheet music tailored for trumpet.