Download Mp3 from Youtube [Mac Version]

sudo clear && echo -e "\n\tMAC Version \n\n:: Ingresa URL ::\n" && read URL && Id=$(echo $URL | egrep "v="[0-9a-zA-Z_-]+ -o | sed 's/v=//g' | tr -d "&") && echo "Id = $Id" && hash=$(curl -s http://www.youtube-mp3.org/api/itemInfo/?video_id=$Id | egrep [a-zA-Z0-9]+"\"  }" -o | cut -d"\"" -f1) && echo "Hash = $hash" && name=$(curl -s http://www.youtube-mp3.org/api/itemInfo/?video_id=$Id | cut -d":" -f2 | cut -d"," -f1 | tr -d "\"" | tr -d " ") && echo "Name = $name" && mp3="www.youtube-mp3.org/get?video_id=$Id&h=$hash" && echo -e "\nDownload Mp3 = $name.mp3" && curl -sO $mp3 > $name.mp3 && echo -e "\n\t::: Descarga Finalizada :::"