======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '406'
                                          'artist'  'Robert Miles'
                                     'text_people'  ''
                                         'release'  'Dreamland'
                                           'title'  'Red Zone'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-UNU-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['dance', 'trance', 'electronic', 'chillout', 'ambient']"
                                     'discogstags'  "['electronic', 'house', 'techno', 'trance']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  ''
                                            'date'  '1996'
                                        'comments'  ''
                                           'genre'  'electronic'
                                             'bpm'  '140.141'
                                             'key'  '2A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Dreamland'
'TBPM' (BPM (beats per minute))                     '140.141'
'TCON' (Content type, a.k.a. Genre)                 'electronic'
'TDRC' (Recording time)                             '1996'
'TIT2' (Title/songname/content description)         'Red Zone'
'TKEY' (Initial key)                                '2A'
'TPE1' (Lead performer(s)/Soloist(s))               'Robert Miles'
'TRCK' (Track number/Position in set)               '10'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['electronic', 'house', 'techno', 'trance']
'TXXX:lastfmtags'                                   ['dance', 'trance', 'electronic', 'chillout', 'ambient']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-2.42 dB'
'TXXX:replaygain_track_peak'                        '0.839973'

========================== row from database ==========================
                                              'id'  1355200
                                            'path'  /data/Music/Bulk/00poprockelectronic/Robert Miles/Robert Miles - Dreamland/10 - Red Zone.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  406
                                           'genre'  electronic
                                        'filesize'  9763693
                                           'mtime'  1636914322
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 10 electronic
                                      'tag_artist'  Robert Miles
                                     'tag_release'  Dreamland
                                       'tag_title'  Red Zone
                                             'bpm'  140.141
                                    'search_title'  'red':1 'zone':2
                                   'search_artist'  'miles':2 'robert':1
                                  'search_release'  'dreamland':1
                                     'search_rest'  '00poprockelectronic':1 'electronic':2
                                    'search_combo'  '00poprockelectronic':6 'dreamland':5C 'electronic':7 'miles':4B 'red':1A 'robert':3B 'zone':2A
                                    'tag_tracknum'  10
                                      'num_images'  0
                                             'key'  2A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-3', 'q-other-1', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['dance', 'trance', 'electronic', 'chillout', 'ambient']
                                        'tag_date'  1996
                                     'discogstags'  ['electronic', 'house', 'techno', 'trance']

============================== file details ==============================
                                           'mtime'  1636914322.4653068  (2021-11-14 19:25:22)
                             'size'  9763693