Rotation in radio dj

Hi there I want to use rotation to play 2 songs from the same artist. Is that possible or do I have to do it manually. Also I want run 247.iwant run rotation 12am to 6am. Then 6am for 6at 6.7for 7at 7and top 8at 8.then 9 to midnight. Thats 5rotations a day. Is this the best way to do it please or is there easier way. Your thoughts be appreciated please.