Most of the buildings were made out of would and had curved edges a style taught by the Chinese. Tiled roofs were common as well. Another popular style was for the building to be slightly elevated of the ground. Many of these styles were influenced by the popularity of Budhism which encouraged temple building.
There were three types of music during this time, Instrumental, court music and theatrical. The music in the example is mostly instrumental. Court music is the oldest music in Japan and includes lots of vocals and dancing. Theatrical music as you can guess was played in theaters that were becoming popular at this time. The hayashi-kata was the most used instrument in this type of music. Instrumental music was used for ceremonies like the tea ceremonies and was calm and relaxing.