Breakdown of Me emociona que sigas la partitura y el compás.
y
and
que
that / than
me
to me / me (direct object)
emocionar
to excite
Questions & Answers about Me emociona que sigas la partitura y el compás.
Why do we use que sigas here instead of just the infinitive seguir?
Verbs of emotion like emocionar follow the same structural rules you are learning for verbs of influence. Because the person feeling the emotion (me) is different from the person performing the action (you), we have to use que + the subjunctive (sigas). If the subjects were the same (e.g., "It excites me to follow..."), you would use the infinitive: Me emociona seguir la partitura.
Why is it Me emociona instead of Yo emociono?
Emocionar functions like the verb gustar. The sentence doesn't literally translate to "I am excited that you follow..." but rather "That you follow... excites me." The entire clause que sigas la partitura y el compás acts as the grammatical subject of the sentence, and me is the indirect object receiving the feeling of excitement.
I know seguir is an "e to i" stem-changing verb, but why did it lose the "u" in sigas?
The present subjunctive is built from the yo form of the present indicative. For seguir, the yo form is sigo (the "u" is dropped because a "g" before an "o" naturally makes a hard "g" sound). We use that exact same stem for the subjunctive, giving us sigas. If you kept the "u" and wrote siguas, it would be pronounced with a "w" sound: "see-gwas".