To see someone playing the guitar in a dream means sudden change and surprise development. It draws attention to a period when everything will go well and will be happy by experiencing a development that is so important that the dreamer cannot even think of.
This is not a good dream and it is said that some bad, troubling and ominous events will happen. It points out that there will be events that will not bring good, that will cause the person to lose his peace, happiness, joy, fortunes, that will cause him to be harmed, that he will be in danger, that bad news will be received, and it is considered as misfortune.
To see someone playing the guitar in a dream indicates that there will be annoying events. It means that the dreamer will learn about the existence of people who cannot attract him and will be very uncomfortable with this situation. These people will constantly say bad words to the dreamer and cause him to get angry.