======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '163'
                                          'artist'  'The Kingsmen'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Beep Beep'
                                           'quals'  ("['Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-OLDST-2', "
 "'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-1', 'q-other-1', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-1']")
                                      'lastfmtags'  "['garage rock', '60s', 'oldies', 'rock and roll', 'rock', 'classic rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '27'
                                      'tracktotal'  ''
                                            'date'  '1965'
                                        'comments'  ''
                                           'genre'  'rock-cppex'
                                             'bpm'  '140.530'
                                             'key'  '2A'
                                        'acoustid'  ''
rest: ''

======================== rawer (from filesystem) ========================

'TBPM' (BPM (beats per minute))                     '140.530'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex'
'TDRC' (Recording time)                             '1965'
'TIT2' (Title/songname/content description)         'Beep Beep'
'TKEY' (Initial key)                                '2A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Kingsmen'
'TRCK' (Track number/Position in set)               '27'
'TSSE' (Software/Hardware and settings used for encoding)  'Audiograbber 1.83.01, LAME dll 3.96, 128 Kbit/s, Joint Stereo, High quality'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['garage rock', '60s', 'oldies', 'rock and roll', 'rock', 'classic rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.78 dB'
'TXXX:replaygain_track_peak'                        '0.461413'

========================== row from database ==========================
                                              'id'  1352967
                                            'path'  /data/Music/Bulk/00poprockelectronic/Clean/27 - The Kingsmen - Beep Beep.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  163
                                           'genre'  rock-cppex
                                        'filesize'  2612910
                                           'mtime'  1620737166
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Clean 27 rock cppex
                                      'tag_artist'  The Kingsmen
                                     'tag_release'  None
                                       'tag_title'  Beep Beep
                                             'bpm'  140.53
                                    'search_title'  'beep':1
                                   'search_artist'  'kingsmen':2 'the':1
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 '27':3 'clean':2 'cppex':5 'rock':4
                                    'search_combo'  '00poprockelectronic':4 '27':6 'beep':1A 'clean':5 'cppex':8 'kingsmen':3B 'rock':7 'the':2B
                                    'tag_tracknum'  27
                                      'num_images'  0
                                             'key'  2A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-2', 'q-other-1', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['garage rock', '60s', 'oldies', 'rock and roll', 'rock', 'classic rock']
                                        'tag_date'  1965
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620737166.4201725  (2021-05-11 14:46:06)
                             'size'  2612910