======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '200'
                                          'artist'  'Dallas Strong Band'
                                     'text_people'  ''
                                         'release'  'Ghost World.'
                                           'title'  'So Tired'
                                           'quals'  ("['Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'q-syn-2', 'q-bass-1', 'q-busy-2', "
 "'q-grit-2', 'q-play-2', 'Q-OLDST-2', 'q-chart-2', 'q-drums-1', 'q-other-3', "
 "'q-piano-1', 'q-vocals-4', 'Q-HHRNBTT-1', 'q-mixbeat-1']")
                                      'lastfmtags'  "['folk', 'blues', 'all', '20s']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '18'
                                      'tracktotal'  ''
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'soundtrack-video'
                                             'bpm'  '93.586'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Ghost World.'
'TBPM' (BPM (beats per minute))                     '93.586'
'TCON' (Content type, a.k.a. Genre)                 'soundtrack-video'
'TDRC' (Recording time)                             '2001'
'TIT2' (Title/songname/content description)         'So Tired'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Dallas Strong Band'
'TRCK' (Track number/Position in set)               '18'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['folk', 'blues', 'all', '20s']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.52 dB'
'TXXX:replaygain_track_peak'                        '0.503367'

========================== row from database ==========================
                                              'id'  370973
                                            'path'  /data/Music/Bulk/0soundtrack/Ghost World (soundtrack)/18 - dallas strong band - so tired.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  200
                                           'genre'  soundtrack-video
                                        'filesize'  4812876
                                           'mtime'  1620333527
                                   'redo_metaread'  0
                                        'rest_str'   0soundtrack (soundtrack) 18 dallas strong band so tired soundtrack video
                                      'tag_artist'  Dallas Strong Band
                                     'tag_release'  Ghost World.
                                       'tag_title'  So Tired
                                             'bpm'  93.586
                                    'search_title'  'so':1 'tired':2
                                   'search_artist'  'band':3 'dallas':1 'strong':2
                                  'search_release'  'ghost':1 'world':2,3
                                     'search_rest'  '0soundtrack':1 '18':4 'band':7 'dallas':5 'so':8 'soundtrack':2,3 'strong':6 'tired':9 'video':10
                                    'search_combo'  '0soundtrack':9 '18':12 'band':5B,15 'dallas':3B,13 'ghost':6C 'so':1A,16 'soundtrack':10,11 'strong':4B,14 'tired':2A,17 'video':18 'world':7C,8C
                                    'tag_tracknum'  18
                                      'num_images'  0
                                             'key'  8A
                                           '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-2', 'q-drums-1', 'q-syn-2', 'q-chart-2', 'q-other-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['folk', 'blues', 'all', '20s']
                                        'tag_date'  2001
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620333526.6830375  (2021-05-06 22:38:46)
                             'size'  4812876