======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '241'
                                          'artist'  'Aqua'
                                     'text_people'  ''
                                         'release'  'Aquarius'
                                           'title'  'Goodbye to the Circus'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-2', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['dance', 'eurodance', 'europop', 'pop', '90s']"
                                     'discogstags'  "['electronic', 'pop', 'euro house', 'ballad']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  ''
                                            'date'  '1995'
                                        'comments'  ''
                                           'genre'  'electronic-th-ent-eurodance'
                                             'bpm'  '134.3'
                                             'key'  '5B'
                                        'acoustid'  ''
rest: ''

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

'POPM:'                                             POPM(email='', rating=153, count=0)
'TALB' (Album/Movie/Show title)                     'Aquarius'
'TBPM' (BPM (beats per minute))                     '134.3'
'TCMP'                                              '0'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-ent-eurodance'
'TDRC' (Recording time)                             '1995'
'TDRL' (Release time)                               '2000-02-28'
'TDTG' (Tagging time)                               '2008-03-31 18:48:09'
'TIT2' (Title/songname/content description)         'Goodbye to the Circus'
'TKEY' (Initial key)                                '5B'
'TPE1' (Lead performer(s)/Soloist(s))               'Aqua'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '12'
'TSOP' (Performer sort order)                       'Aqua'
'TXXX:FMPS_Rating'                                  '0.6'
'TXXX:MP3GAIN_MINMAX'                               '091,205'
'TXXX:MP3GAIN_UNDO'                                 '+005,+005,N'
'TXXX:MusicBrainz Album Artist'                     'Aqua'
'TXXX:MusicBrainz Album Artist Id'                  'a1ed5e33-22ff-4e7d-a457-42f4309e135f'
'TXXX:MusicBrainz Album Artist Sortname'            'Aqua'
'TXXX:MusicBrainz Album Id'                         '785b406d-fc4c-4323-861d-fb973d652fa3'
'TXXX:MusicBrainz Album Release Country'            'AU'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'a1ed5e33-22ff-4e7d-a457-42f4309e135f'
'TXXX:MusicBrainz Non-Album'                        '0'
'TXXX:MusicIP PUID'                                 '066d5f0e-fd4b-493e-113a-824cc073bc16'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['electronic', 'pop', 'euro house', 'ballad']
'TXXX:lastfmtags'                                   ['dance', 'eurodance', 'europop', 'pop', '90s']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.93 dB'
'TXXX:replaygain_track_peak'                        '0.475590'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'b08a7c9d-aefe-4bba-b124-e7f9c6106c9d')

========================== row from database ==========================
                                              'id'  1465829
                                            'path'  /data/Music/Bulk/00poprockelectronic/Aqua/Aquarius/Aqua - Aquarius - 12 - Goodbye to the Circus.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  241
                                           'genre'  electronic-th-ent-eurodance
                                        'filesize'  5798097
                                           'mtime'  1621696090
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 12 electronic ent eurodance
                                      'tag_artist'  Aqua
                                     'tag_release'  Aquarius
                                       'tag_title'  Goodbye to the Circus
                                             'bpm'  134.3
                                    'search_title'  'circus':4 'goodbye':1 'the':3 'to':2
                                   'search_artist'  'aqua':1
                                  'search_release'  'aquarius':1
                                     'search_rest'  '00poprockelectronic':1 'electronic':2 'ent':3 'eurodance':4
                                    'search_combo'  '00poprockelectronic':7 'aqua':5B 'aquarius':6C 'circus':4A 'electronic':8 'ent':9 'eurodance':10 'goodbye':1A 'the':3A 'to':2A
                                    'tag_tracknum'  12
                                      'num_images'  0
                                             'key'  5B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-3', 'q-chart-4', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['dance', 'eurodance', 'europop', 'pop', '90s']
                                        'tag_date'  1995
                                     'discogstags'  ['electronic', 'pop', 'euro house', 'ballad']

============================== file details ==============================
                                           'mtime'  1621696090.0601337  (2021-05-22 17:08:10)
                             'size'  5798097