Delivering songs is different with making music, though music delivered through songs. Music making involves more creativity rather than "copy-pasting" the songs. Could it be from the re-harmonization, re-groove, re-interpretation, etc. I love it when I hear artistic touch added to the common songs, though some songs are already naturally nice. 



​With creaitivity, even "Twinkle twinkle little star" can sound unique. It's not about the  songs, but how they musician creatively "cook" the music through the piece they are delivering. 



Soul & creativity play parts in good music. There's an artistic function of having a good full band, there's a function in having solo guitar format, solo bass, solo saxophone, or guitar-drum combo, etc. It's not necessarily full band sounds better than solo saxophone (for example), how if the highly creative saxophonist could offer full band experience? I don't know how, but I guess it's gonna be so unique.



A band sounds like a band is normal, but a saxophonist that could sound like a band it's above normal. Nobody amazed watching a normal bicyclist, but that's not the case for  mono-cyclist, something like this effect....