======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '178'
                                          'artist'  'Boban Markovi\x07 Orkestar'
                                     'text_people'  ''
                                         'release'  'Balkanbeats, Volume 1'
                                           'title'  'Od srca'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-3', 'Q-HHRNBTT-1', 'Q-OLDST-1', "
 "'Q-LOCALNESS-4', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['balkan', 'gypsy', 'balkan brass', 'brass', 'world']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '13'
                                      'tracktotal'  '15'
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'loc-m'
                                             'bpm'  '96.622'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            'Arabic'
'COMM:Songs-DB_Custom1:eng'                         '2000s'
'COMM:Songs-DB_Custom2:eng'                         'Brass; Trumpet; Traditional; Soundtracks'
'COMM:Songs-DB_Custom3:eng'                         'Arabic'
'POPM:'                                             POPM(email='', rating=204, count=0)
'TALB' (Album/Movie/Show title)                     'Balkanbeats, Volume 1'
'TBPM' (BPM (beats per minute))                     '96.622'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'loc-m'
'TDOR' (Original release time)                      '2006'
'TDRC' (Recording time)                             '2006-05-22'
'TIT2' (Title/songname/content description)         'Od srca'
'TKEY' (Initial key)                                '4A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Boban Markovi\x07 Orkestar'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Eastblok Music'
'TRCK' (Track number/Position in set)               '13/15'
'TSO2'                                              'Various Artists'
'TSOP' (Performer sort order)                       'Boban Marković Orkestar'
'TSRC' (ISRC (international standard recording code))  'DEL120309005'
'TXXX:ASIN'                                         'B0009OAJ1C'
'TXXX:BARCODE'                                      '4042564013771'
'TXXX:CATALOGNUMBER'                                'EBM003'
'TXXX:FMPS_Rating'                                  '0.8'
'TXXX:MP3GAIN_MINMAX'                               '047,204'
'TXXX:MP3GAIN_UNDO'                                 '+006,+006,N'
'TXXX:MusicBrainz Album Artist Id'                  '89ad4ac3-39f7-470e-963a-56509c546377'
'TXXX:MusicBrainz Album Id'                         'd4b1dc0d-2173-4f7f-9931-8ff4a228b28c'
'TXXX:MusicBrainz Album Release Country'            'DE'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'compilation'
'TXXX:MusicBrainz Artist Id'                        '17b3b9ac-50d2-45a8-9319-1a7ffba14a14'
'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'                                   ['balkan', 'gypsy', 'balkan brass', 'brass', 'world']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'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'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.68 dB'
'TXXX:replaygain_track_peak'                        '0.362296'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'1b2920ab-863d-49cc-934a-d31581a5894e')

========================== row from database ==========================
                                              'id'  929346
                                            'path'  /data/Music/Bulk/00localcharacter/00south-europe-middle-east/Balkan Beats/BalkanBeats Vol.1 (2005)/(13) [Boban Markovic] Od Srca.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  178
                                           'genre'  loc-m
                                        'filesize'  7191922
                                           'mtime'  1620526512
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00south europe middle east Beats BalkanBeats Vol.1 (2005) (13) [Boban Markovic] Srca loc
                                      'tag_artist'  Boban Markovi Orkestar
                                     'tag_release'  Balkanbeats, Volume 1
                                       'tag_title'  Od srca
                                             'bpm'  96.622
                                    'search_title'  'od':1 'srca':2
                                   'search_artist'  'boban':1 'markovi':2 'orkestar':3
                                  'search_release'  '1':4 'balkanbeats':1,2 'volume':3
                                     'search_rest'  '00south':1 '1':8 '13':12,13 '2005':10,11 'balkan':20 'balkanbeats':6 'beats':5 'boban':14,15 'east':4 'europe':2 'loc':19 'markovic':16,17 'middle':3 'srca':18 'vol':7 'vol1':9
                                    'search_combo'  '00south':10 '1':9C,17 '13':21,22 '2005':19,20 'balkan':29 'balkanbeats':6C,7C,15 'beats':14 'boban':3B,23,24 'east':13 'europe':11 'loc':28 'markovi':4B 'markovic':25,26 'middle':12 'od':1A 'orkestar':5B 'srca':2A,27 'vol':16 'vol1':18 'volume':8C
                                    'tag_tracknum'  13
                                      'num_images'  1
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', '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-4', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['balkan', 'gypsy', 'balkan brass', 'brass', 'world']
                                        'tag_date'  2006
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620526511.6819367  (2021-05-09 04:15:11)
                             'size'  7191922