The song "Solo Por Ti" by Josh Groban is a romantic ballad about the all-consuming nature of love and the longing for a loved one's presence. The lyrics describe the speaker's dependence on the person they love, saying that without them, they would not know what to do with their days or how to breathe. The speaker goes on to say that they would walk through infinity and face eternity with their loved one by their side, showing how much they are willing to sacrifice for their love. The chorus of the song repeats the phrase "solo por ti" ("only for you") to emphasize the depth of the speaker's devotion. They would give their loved one a thousand poems and sing their own melodies to the music of the loved one's soul, highlighting the importance of their loved one's presence in their life. Overall, the song is a heartfelt expression of the speaker's love and longing for their significant other. The emotions of the song are expressed beautifully in Groban's soaring vocals and tender lyrics, making it a popular choice for romantic occasions.