======================== unified (from filesystem) ========================
                                         'bitrate'  '180.948'
                                        'duration'  '280'
                                          'artist'  'Slavic Soul Party!'
                                     'text_people'  ''
                                         'release'  'Balkanbeats, Volume 3'
                                           'title'  'Opa Cupa'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-3', 'Q-HHRNBTT-1', 'Q-OLDST-1', "
 "'Q-LOCALNESS-4', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['gypsy', 'brass', 'balkan', 'brooklyn', 'folk']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  '15'
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'loc-m'
                                             'bpm'  '87.710'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            'American; Brooklyn'
'COMM:Songs-DB_Custom2:eng'                         'Brass'
'COMM:Songs-DB_Custom3:eng'                         'American; Brooklyn'
'POPM:'                                             POPM(email='', rating=153, count=0)
'TALB' (Album/Movie/Show title)                     'Balkanbeats, Volume 3'
'TBPM' (BPM (beats per minute))                     '87.710'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'loc-m'
'TDOR' (Original release time)                      '2008'
'TDRC' (Recording time)                             '2008-05-02'
'TENC' (Encoded by)                                 'LAME'
'TIT2' (Title/songname/content description)         'Opa Cupa'
'TKEY' (Initial key)                                '6A'
'TLAN' (Language(s))                                'English'
'TPE1' (Lead performer(s)/Soloist(s))               'Slavic Soul Party!'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '1/15'
'TSO2'                                              'Various Artists'
'TSOP' (Performer sort order)                       'Slavic Soul Party'
'TXXX:ASIN'                                         'B0017IYW0S'
'TXXX:FMPS_Rating'                                  '0.6'
'TXXX:MusicBrainz Album Artist Id'                  '89ad4ac3-39f7-470e-963a-56509c546377'
'TXXX:MusicBrainz Album Id'                         '0554b6f1-e864-423c-87fb-4e52a8b3b0e2'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'compilation'
'TXXX:MusicBrainz Artist Id'                        '4cf57406-5e29-4432-b180-b342a5190d20'
'TXXX:MusicIP PUID'                                 '6a322f37-ce7d-1c7b-86ed-0180e1a7d7da'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '4'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '3'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['gypsy', 'brass', 'balkan', 'brooklyn', 'folk']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'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'                        '+0.86 dB'
'TXXX:replaygain_track_peak'                        '0.391321'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'bfd8e9f9-70db-43df-97cc-4241164087be')

========================== row from database ==========================
                                              'id'  922515
                                            'path'  /data/Music/Bulk/00localcharacter/00south-europe-middle-east/Balkan Beats/BalkanBeats Vol.3 (2008)/01. Slavic Soul Party! Opa Cupa.mp3
                                         'working'  None
                                         'bitrate'  180
                                    'duration_sec'  280
                                           'genre'  loc-m
                                        'filesize'  6340463
                                           'mtime'  1620526517
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00south europe middle east Beats BalkanBeats Vol.3 (2008) 01. loc
                                      'tag_artist'  Slavic Soul Party!
                                     'tag_release'  Balkanbeats, Volume 3
                                       'tag_title'  Opa Cupa
                                             'bpm'  87.71
                                    'search_title'  'cupa':2 'opa':1
                                   'search_artist'  'party':3 'slavic':1 'soul':2
                                  'search_release'  '3':4 'balkanbeats':1,2 'volume':3
                                     'search_rest'  '00south':1 '01':12,13 '2008':10,11 '3':8 'balkan':15 'balkanbeats':6 'beats':5 'east':4 'europe':2 'loc':14 'middle':3 'vol':7 'vol3':9
                                    'search_combo'  '00south':10 '01':21,22 '2008':19,20 '3':9C,17 'balkan':24 'balkanbeats':6C,7C,15 'beats':14 'cupa':2A 'east':13 'europe':11 'loc':23 'middle':12 'opa':1A 'party':5B 'slavic':3B 'soul':4B 'vol':16 'vol3':18 'volume':8C
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-4', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-3', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['gypsy', 'brass', 'balkan', 'brooklyn', 'folk']
                                        'tag_date'  2008
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620526516.9766676  (2021-05-09 04:15:16)
                             'size'  6340463