======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '24'
                                          'artist'  '[unknown]'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Caracena'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-1', 'q-busy-2', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-2', 'q-other-1', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '14'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'soundtrack-video-movies'
                                             'bpm'  '134.199'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '134.199'
'TCON' (Content type, a.k.a. Genre)                 'soundtrack-video-movies'
'TIT2' (Title/songname/content description)         'Caracena'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               '[unknown]'
'TRCK' (Track number/Position in set)               '14'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'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'                        '+3.86 dB'
'TXXX:replaygain_track_peak'                        '0.884540'

========================== row from database ==========================
                                              'id'  765036
                                            'path'  /data/Music/Bulk/0soundtrack/VA - How To Save A  Bus Ride/14 - Drug Score (Pt. 3 - Flash Backs).mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  24
                                           'genre'  soundtrack-video-movies
                                        'filesize'  391168
                                           'mtime'  1678975517
                                   'redo_metaread'  0
                                        'rest_str'   0soundtrack VA How To Save A Bus Ride 14 Drug Score (Pt. 3 Flash Backs) soundtrack video movies
                                      'tag_artist'  [unknown]
                                     'tag_release'  None
                                       'tag_title'  Caracena
                                             'bpm'  134.199
                                    'search_title'  'caracena':1
                                   'search_artist'  'unknown':1,2
                                  'search_release'  
                                     'search_rest'  '0soundtrack':1 '3':13 'a':6 'backs':15,16 'bus':7 'drug':9 'flash':14 'how':3 'movies':19 'pt':11,12 'ride':8 'save':5 'score':10 'soundtrack':17 'to':4 'va':2 'video':18
                                    'search_combo'  '0soundtrack':4 '3':16 'a':9 'backs':18,19 'bus':10 'caracena':1A 'drug':12 'flash':17 'how':6 'movies':22 'pt':14,15 'ride':11 'save':8 'score':13 'soundtrack':20 'to':7 'unknown':2B,3B 'va':5 'video':21
                                    'tag_tracknum'  14
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-2', 'q-syn-2', 'q-bass-1', 'q-busy-2', 'q-grit-2', 'q-play-2', 'q-chart-1', 'q-drums-2', 'q-other-1', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-1']
                                      'lastfmtags'  ['mysterious', 'unknown', 'all', 'mistagged artist', 'rock']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1678975516.7168176  (2023-03-16 15:05:16)
                             'size'  391168