Download song from SoundCloud and export it as video with cover easily using the power of python, ytdl(p) and ffmpeg. You need to have them installed as terminal commands.

sc2mp4.py

import requests
import os
from bs4 import BeautifulSoup

ydl_opts = {}

url = input('sc track url: ')

def dwl_vid(url):
    r = requests.get(url)
    soup = BeautifulSoup(r.content, 'html.parser')
    s = soup.find("meta",  property="og:image")
    print(s["content"])
    img_data = requests.get(s["content"]).content
    with open('temp_pic.png', 'wb') as handler:
        handler.write(img_data)
    os.system(f'ytdl {url} -o temp_audio') ## Or yt-dlp if you will
    os.system('ffmpeg -loop 1 -i temp_pic.png -i temp_audio -c:v libx264 -c:a aac -b:a 192k -shortest result.mp4')

    os.remove('temp_pic.png')
    os.remove('temp_audio')

dwl_vid(url)