======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '324'
                                          'artist'  'Moviola'
                                     'text_people'  ''
                                         'release'  'Bajofondo Tango Club'
                                           'title'  'Duro y parejo'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-UNU-1', 'Q-LOCALNESS-3', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-4', 'q-busy-3', 'q-grit-1', 'q-play-3', "
 "'q-chart-1', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['electrotango', 'tango nuevo', 'tango', 'easy listening', 'chillout', "
 "'experimental']")
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  '16'
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'loc-style-tango or milonga;loc-samerica'
                                             'bpm'  '106.700'
                                             'key'  '8A'
                                        'acoustid'  '5e0e8249-fddb-47ca-aa37-1c715699d09c'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            '12'
'COMM:iTunNORM:eng'                                 (' 00000431 00000405 00008CD5 0000439B 000119A1 00000329 00008BEA 00008DD2 '
 '000271B6 0002140A')
'COMM:iTunes_CDDB_1:eng'                            'C1126210+353165+16+150+23260+41677+64967+84670+105880+130200+142675+161515+182222+210112+233597+257897+275365+300227+325762'
'COMM:iTunes_CDDB_TrackNumber:eng'                  '12'
'TALB' (Album/Movie/Show title)                     'Bajofondo Tango Club'
'TBPM' (BPM (beats per minute))                     '106.700'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 ['loc-style-tango or milonga', 'loc-samerica']
'TDOR' (Original release time)                      '2002'
'TDRC' (Recording time)                             '2002'
'TENC' (Encoded by)                                 'iTunes v4.7.0.42'
'TIT2' (Title/songname/content description)         'Duro y parejo'
'TKEY' (Initial key)                                '8A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Moviola'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Surco Records'
'TRCK' (Track number/Position in set)               '12/16'
'TSO2'                                              'Bajofondo'
'TSOP' (Performer sort order)                       'Moviola'
'TSRC' (ISRC (international standard recording code))  'USUL10200161'
'TXXX:ASIN'                                         'B00007M5CO'
'TXXX:Acoustid Id'                                  '5e0e8249-fddb-47ca-aa37-1c715699d09c'
'TXXX:BARCODE'                                      '044006483429'
'TXXX:CATALOGNUMBER'                                '0648342'
'TXXX:MusicBrainz Album Artist Id'                  'c78a5d46-c631-41bc-8772-439002e3d3aa'
'TXXX:MusicBrainz Album Id'                         '88fd615d-4618-4547-8c86-b9f8ea13a49c'
'TXXX:MusicBrainz Album Release Country'            'AR'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '155cb20f-e574-469b-8eca-7fb7d9d17e24'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['electrotango',
 'tango nuevo',
 'tango',
 'easy listening',
 'chillout',
 'experimental']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.08 dB'
'TXXX:replaygain_track_peak'                        '0.685003'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'e8d7c2ec-a880-4b95-bd38-0e2e3280227a')

========================== row from database ==========================
                                              'id'  1389528
                                            'path'  /data/Music/Bulk/00localcharacter/Emilio Kauderer - Bajofondo Tango Club/[2003] Tango Club/12 Duro y Parejo.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  324
                                           'genre'  loc-style-tango or milonga;loc-samerica
                                        'filesize'  7822191
                                           'mtime'  1620530656
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter Emilio Kauderer [2003] 12 Parejo loc style tango or milonga;loc samerica
                                      'tag_artist'  Moviola
                                     'tag_release'  Bajofondo Tango Club
                                       'tag_title'  Duro y parejo
                                             'bpm'  106.7
                                    'search_title'  'duro':1 'parejo':3 'y':2
                                   'search_artist'  'moviola':1
                                  'search_release'  'bajofondo':1 'club':3 'tango':2
                                     'search_rest'  '2003':3,4 'emilio':1 'kauderer':2 'loc':6,11,13 'milonga':10,12 'or':9 'parejo':5 'samerica':14 'style':7 'tango':8
                                    'search_combo'  '2003':10,11 'bajofondo':5C 'club':7C 'duro':1A 'emilio':8 'kauderer':9 'loc':13,18,20 'milonga':17,19 'moviola':4B 'or':16 'parejo':3A,12 'samerica':21 'style':14 'tango':6C,15 'y':2A
                                    'tag_tracknum'  12
                                      'num_images'  1
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-1', 'q-chart-1', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-1']
                                      'lastfmtags'  ['electrotango', 'tango nuevo', 'tango', 'easy listening', 'chillout', 'experimental']
                                        'tag_date'  2002
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620530655.8217864  (2021-05-09 05:24:15)
                             'size'  7822191