======================== unified (from filesystem) ========================
                                         'bitrate'  '190.057'
                                        'duration'  '138'
                                          'artist'  'M. A. Numminen'
                                     'text_people'  ''
                                         'release'  'Den eviga ergengen'
                                           'title'  'Som en gummiboll kommer jag tillbaks till dig'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  ("['lastenlaulut', 'finnish', 'avantgarde', 'weird', 'avant garde', "
 "'experimental']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  '29'
                                            'date'  '1990'
                                        'comments'  ''
                                           'genre'  'loc-eur-northern-finland'
                                             'bpm'  '146.000'
                                             'key'  '7B'
                                        'acoustid'  '49b22edc-9e8f-4efc-994e-544b3952e9c9'
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Den eviga ergengen'
'TBPM' (BPM (beats per minute))                     '146.000'
'TCON' (Content type, a.k.a. Genre)                 'loc-eur-northern-finland'
'TDOR' (Original release time)                      '1990'
'TDRC' (Recording time)                             '1990'
'TIPL' (Involved people list)                       TIPL(encoding=<Encoding.UTF16: 1>, people=[['', '']])
'TIT2' (Title/songname/content description)         'Som en gummiboll kommer jag tillbaks till dig'
'TKEY' (Initial key)                                '7B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'M. A. Numminen'
'TPE2' (Band/orchestra/accompaniment)               'M. A. Numminen'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Amigo'
'TRCK' (Track number/Position in set)               '2/29'
'TSO2'                                              'Numminen, M.A.'
'TSOP' (Performer sort order)                       'Numminen, M.A.'
'TXXX:Acoustid Id'                                  '49b22edc-9e8f-4efc-994e-544b3952e9c9'
'TXXX:Artists'                                      'M.A. Numminen'
'TXXX:CATALOGNUMBER'                                'AMCD 2025'
'TXXX:MusicBrainz Album Artist Id'                  '7e93517b-897f-43f7-bee9-8bdb7bd1c9b1'
'TXXX:MusicBrainz Album Id'                         'fa412dc2-7e4b-4ed6-830c-8f7b8839e4cc'
'TXXX:MusicBrainz Album Release Country'            'SE'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album/compilation'
'TXXX:MusicBrainz Artist Id'                        '7e93517b-897f-43f7-bee9-8bdb7bd1c9b1'
'TXXX:MusicBrainz Release Group Id'                 'b0785282-c53d-3e59-a5ee-c5048f7319c7'
'TXXX:MusicBrainz Release Track Id'                 'e11e7c40-8501-3346-bb7a-c6490d9fd20d'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['lastenlaulut',
 'finnish',
 'avantgarde',
 'weird',
 'avant garde',
 'experimental']
'TXXX:originalyear'                                 '1990'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.59 dB'
'TXXX:replaygain_track_peak'                        '0.564946'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'ca7a9d4c-efc4-4d47-9dc5-96a879d44b35')

========================== row from database ==========================
                                              'id'  1490665
                                            'path'  /data/Music/Bulk/00localcharacter/00mid-north-europe/00scandinavia/M.A. Numminen/1990 - M.A. Numminen - Den eviga årgången ~ M.A. Numminens bästa (Amigo) [VBR]/02 - Som En Gummiboll Kommer Jag Tillbaks Till Dig.mp3
                                         'working'  None
                                         'bitrate'  190
                                    'duration_sec'  138
                                           'genre'  loc-eur-northern-finland
                                        'filesize'  3303122
                                           'mtime'  1621629452
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00mid north europe 00scandinavia M.A. 1990 M.A. årgången ~ M.A. Numminens bästa (Amigo) [VBR] 02 En Gummiboll Kommer Jag Tillbaks Till Dig loc eur northern finland
                                      'tag_artist'  M. A. Numminen
                                     'tag_release'  Den eviga ergengen
                                       'tag_title'  Som en gummiboll kommer jag tillbaks till dig
                                             'bpm'  146.0
                                    'search_title'  'dig':8 'en':2 'gummiboll':3 'jag':5 'kommer':4 'som':1 'till':7 'tillbaks':6
                                   'search_artist'  'a':3,4 'm':1,2 'numminen':5
                                  'search_release'  'den':1 'ergengen':3 'eviga':2
                                     'search_rest'  '00mid':1 '00scandinavia':4 '1990':8 'a':6 'amigo':14,15 'argangen':9,10 'basta':12,13 'dig':24 'en':18 'eur':26 'europe':3 'finland':28 'gummiboll':19 'jag':21 'kommer':20 'loc':25 'm':5 'ma':7 'north':2 'northern':27 'numminens':11 'till':23 'tillbaks':22 'vbr':16,17
                                    'search_combo'  '00mid':17 '00scandinavia':20 '1990':24 'a':11B,12B,22 'amigo':30,31 'argangen':25,26 'basta':28,29 'den':14C 'dig':8A,40 'en':2A,34 'ergengen':16C 'eur':42 'europe':19 'eviga':15C 'finland':44 'gummiboll':3A,35 'jag':5A,37 'kommer':4A,36 'loc':41 'm':9B,10B,21 'ma':23 'north':18 'northern':43 'numminen':13B 'numminens':27 'som':1A 'till':7A,39 'tillbaks':6A,38 'vbr':32,33
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  7B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['lastenlaulut', 'finnish', 'avantgarde', 'weird', 'avant garde', 'experimental']
                                        'tag_date'  1990
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621629451.7014785  (2021-05-21 22:37:31)
                             'size'  3303122