As others have pointed out, there's no such thing as a lead or rhythm guitar. You get a guitar and play the lead or rhythm part on it, so I'll assume you mean which role is more versatile. read more
You get a guitar and play the lead or rhythm part on it, so I'll assume you mean which role is more versatile. Bass is the structure, if you deviate too far the song won't sit right. Lead is the most noticeable but remember that effects pedals =\= versatility. read more
Being a good rhythm guitarist means having a good knowledge of chords and rhythms and being able to lock in with the bass and drums (the rhythm section) and provide a good feel for the vocalist to sing over. Lead Guitar. The lead guitarist is generally considered to be the most important instrumentalist in a rock/pop group. read more