Arduino music player with BLE interface

Hi There, I am looking to create a simple BLE controlled Arduino music player that will be controlled by iOS device. The player should have an SD card with preloaded MP3 songs which the player will have to play according to the command that it will receive via the BLE. The player should have stereo headphone jack. I will provide you the scripts for the BLE communication. In principal the script structure should be "Play Song X" There will also be "Stop play" command. In addition, I want you to connect 4 push button switches to the board and while the music track is playing, every time a push button will be pressed, you'll have to report it back via the BLE. For example: "Switch 1 down XXXX" where XXXX is the time in milisecond since the song started to play. So you will have to program 4 timers. One for each switch. The user may press any of the switches multiple times while the game is playing. It will be best if you can also create a simple iOS program that the device is working accordingly. You can select any Arduino device that you like. Once the project is completed, I would like you to send me the setup. I will pay for shipping and for the device. You must have Arduino experience and positive recommendations. I need this project to be completed in one week. Thanks