Which type of verb typically includes the word to?

Answer - Infinitive

A verb that starts with "to" is in an infinitive verb form. Typically, an infinitive can function as adverbs, adjectives or as nouns; it usually does not function as a verb. Also, an infinitive has no inflection binding it to a particular subject or tense.

Music me focus more because it blocks out all the distractions around me, but i guess it depends on who you are