Overblow Playing (OB/OD)
If you spend any time at all on harmonica related forums or social media, you will see endless discussion on the topic of overblow and overdraw (OB/OD) playing. Yet, in spite of the discussion there is still confusion on the technique and many players will incorrectly classify themselves as overblow players. Although there are some early blues harmonica recordings where an overblow was played, the technique was developed and popularized by harmonica virtuoso Howard Levy. As