According to "Hip-Hop Planet," the roots of hip-hop music stem from

1. chants that emerged from sacred Vedic scriptures over 6,000 years ago.
2. Gregorian chants which were derived from ancient Greek songs.
3. a blend of raucous saloon music, southern banjo and fiddle dance tunes, minstrel shows, parlor songs, the blues, and church music.
4. the dance, drum, and song of West African storytellers and other common elements of African music; such as call and response and improvisation.

The correct answer is 4. the dance, drum, and song of West African storytellers and other common elements of African music; such as call and response and improvisation.

According to "Hip-Hop Planet," the roots of hip-hop music stem from:

1. The dance, drum, and song of West African storytellers: Hip-hop music draws heavily from the cultural and musical traditions of West Africa. Many of the common elements found in African music, such as call and response and improvisation, are fundamental elements of hip-hop as well.

2. A blend of raucous saloon music, southern banjo and fiddle dance tunes, minstrel shows, parlor songs, the blues, and church music: Hip-hop music also incorporates various elements from different genres of American music. It combines influences from saloon music, banjo and fiddle dance tunes, minstrel shows, parlor songs, the blues, and church music to create its unique sound.

Therefore, the correct answer is option 3: a blend of raucous saloon music, southern banjo and fiddle dance tunes, minstrel shows, parlor songs, the blues, and church music, and option 4: the dance, drum, and song of West African storytellers and other common elements of African music; such as call and response and improvisation.

To determine the correct answer, let's examine each option:

1. Chants that emerged from sacred Vedic scriptures over 6,000 years ago: This option is not accurate. While chants and musical traditions have been part of various cultures and religions throughout history, the specific origins of hip-hop do not trace back to sacred Vedic scriptures.

2. Gregorian chants derived from ancient Greek songs: This option is also not accurate. While Gregorian chants and ancient Greek music have their own historical importance, they do not directly relate to the specific roots of hip-hop music.

3. A blend of raucous saloon music, southern banjo and fiddle dance tunes, minstrel shows, parlor songs, the blues, and church music: This option is partially correct. Hip-hop music does indeed have roots in a combination of various musical genres and traditions, including those mentioned. The elements such as the blues and African American musical styles played a significant role in shaping hip-hop.

4. The dance, drum, and song of West African storytellers and other common elements of African music, such as call and response and improvisation: This option is the most accurate. The roots of hip-hop can be traced back to West African music and cultural traditions, including storytelling, dance, drumming, call and response, and improvisation. These elements were brought to the United States through the African diaspora and greatly influenced the development of hip-hop.

Therefore, the correct answer is option 4: the dance, drum, and song of West African storytellers and other common elements of African music, such as call and response and improvisation.