Python Pandas ValueError Arrays Must be All Same Length

Iterates over a big list of .mp3 links to get the metadata tags and save it to an Excel file. Results in this error. I appreciate any help. Thanks.

    #print is_connected();

    # Create a Pandas dataframe from the data.
df = pd.DataFrame({'Links' : lines ,'Titles' : titles , 'Singers': finalsingers , 'Albums':finalalbums , 'Years' : years})


    # Create a Pandas Excel writer using XlsxWriter as the engine.
writer = pd.ExcelWriter(xlspath, engine='xlsxwriter')

    # Convert the dataframe to an XlsxWriter Excel object.
df.to_excel(writer, sheet_name='Sheet1')
    #df.to_excel(writer, sheet_name='Sheet1')


    # Close the Pandas Excel writer and output the Excel file.
writer.save()

Traceback (most recent call last):
  File "mp.py", line 87, in <module>
    df = pd.DataFrame({'Links' : lines ,'Titles' : titles , 'Singers': finalsingers , 'Albums':finalalbums , 'Years' : years})
  File "C:\Python27\lib\site-packages\pandas\core\frame.py", line 266, in __init__
    mgr = self._init_dict(data, index, columns, dtype=dtype)
  File "C:\Python27\lib\site-packages\pandas\core\frame.py", line 402, in _init_dict
    return _arrays_to_mgr(arrays, data_names, index, columns, dtype=dtype)
  File "C:\Python27\lib\site-packages\pandas\core\frame.py", line 5409, in _arrays_to_mgr
    index = extract_index(arrays)
  File "C:\Python27\lib\site-packages\pandas\core\frame.py", line 5457, in extract_index
    raise ValueError('arrays must all be same length')
ValueError: arrays must all be same length