======================== unified (from filesystem) ========================
                                         'bitrate'  '151.9'
                                        'duration'  '130'
                                          'artist'  'Slagsmålsklubben'
                                     'text_people'  ''
                                         'release'  'Den officiella OS-låten'
                                           'title'  'L är standard men inte du'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-4', 'q-bass-4', 'q-busy-3', 'q-grit-1', 'q-play-3', "
 "'q-chart-3', 'q-drums-2', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['swedish', 'bitpop', 'blipblop', 'electronic', 'synthpop']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  '4'
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'electronic-we-beeps or chip or pico'
                                             'bpm'  '122.0'
                                             'key'  '10A'
                                        'acoustid'  '6d235527-d22b-497a-bc0a-76d41e4880cb'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:iTunNORM:eng'                                 (' 00000CF1 00000CC4 0000360A 0000360A 0000CC2C 0000CC2C 00008000 00008000 '
 '00002E70 00002E70')
'TALB' (Album/Movie/Show title)                     'Den officiella OS-låten'
'TBPM' (BPM (beats per minute))                     '122.0'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-beeps or chip or pico'
'TDOR' (Original release time)                      '2004'
'TDRC' (Recording time)                             '2004-05-24'
'TENC' (Encoded by)                                 'Lame 3.90.3 Mod'
'TIT2' (Title/songname/content description)         'L är standard men inte du'
'TKEY' (Initial key)                                '10A'
'TLAN' (Language(s))                                'English'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Slagsmålsklubben'
'TPE2' (Band/orchestra/accompaniment)               'Slagsmålsklubben'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Beat That!'
'TRCK' (Track number/Position in set)               '3/4'
'TSO2'                                              'Slagsmålsklubben'
'TSOP' (Performer sort order)                       'Slagsmålsklubben'
'TXXX:Acoustid Id'                                  '6d235527-d22b-497a-bc0a-76d41e4880cb'
'TXXX:BARCODE'                                      '7331915023284'
'TXXX:CATALOGNUMBER'                                'BEAT028'
'TXXX:MusicBrainz Album Artist Id'                  '3869dbb7-da0c-455f-ad74-332a9d35d016'
'TXXX:MusicBrainz Album Id'                         'b5fe1d3d-3491-4253-b9bb-bd275a89fe1a'
'TXXX:MusicBrainz Album Release Country'            'SE'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'single'
'TXXX:MusicBrainz Artist Id'                        '3869dbb7-da0c-455f-ad74-332a9d35d016'
'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:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['swedish', 'bitpop', 'blipblop', 'electronic', 'synthpop']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '4'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-3.32 dB'
'TXXX:replaygain_track_peak'                        '0.525765'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'c7b2d8e8-fe3b-4306-abc9-ba87b1ca7db2')

========================== row from database ==========================
                                              'id'  1380027
                                            'path'  /data/Music/Bulk/00poprockelectronic/00beepy/Slagsmålsklubben/Den Officiella OS-Lеten CDM/03 L Дr Standard Men Inte Du.mp3
                                         'working'  None
                                         'bitrate'  152
                                    'duration_sec'  130
                                           'genre'  electronic-we-beeps or chip or pico
                                        'filesize'  3864818
                                           'mtime'  1620594047
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00beepy Officiella Lеten CDM 03 Дr Standard Men Inte Du electronic we beeps or chip or pico
                                      'tag_artist'  Slagsmålsklubben
                                     'tag_release'  Den officiella OS-låten
                                       'tag_title'  L är standard men inte du
                                             'bpm'  122.0
                                    'search_title'  'ar':2,3 'du':7 'inte':6 'l':1 'men':5 'standard':4
                                   'search_artist'  'slagsmalsklubben':1,2
                                  'search_release'  'den':1 'laten':4,7 'officiella':2 'os':3,6 'oslaten':5,8
                                     'search_rest'  '00beepy':2 '00poprockelectronic':1 'beeps':15 'cdm':6 'chip':17 'dr':8 'du':12 'electronic':13 'inte':11 'leten':5 'lеten':4 'men':10 'officiella':3 'or':16 'pico':18 'standard':9 'we':14 'дr':7
                                    'search_combo'  '00beepy':19 '00poprockelectronic':18 'ar':2A,3A 'beeps':32 'cdm':23 'chip':34 'den':10C 'dr':25 'du':7A,29 'electronic':30 'inte':6A,28 'l':1A 'laten':13C,16C 'leten':22 'lеten':21 'men':5A,27 'officiella':11C,20 'or':33 'os':12C,15C 'oslaten':14C,17C 'pico':35 'slagsmalsklubben':8B,9B 'standard':4A,26 'we':31 'дr':24
                                    'tag_tracknum'  3
                                      'num_images'  1
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-4', 'q-chart-3', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-1']
                                      'lastfmtags'  ['swedish', 'bitpop', 'blipblop', 'electronic', 'synthpop']
                                        'tag_date'  2004
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620594046.5022142  (2021-05-09 23:00:46)
                             'size'  3864818