======================== unified (from filesystem) ========================
                                         'bitrate'  '191.955'
                                        'duration'  '112'
                                          'artist'  'Maxïmo Park'
                                     'text_people'  ''
                                         'release'  'A Certain Trigger'
                                           'title'  'The Night I Lost My Head'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-2', '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-2']")
                                      'lastfmtags'  "['indie', 'alternative', 'british', 'indie rock', 'rock']"
                                     'discogstags'  "['rock', 'indie rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  '13'
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-rock'
                                             'bpm'  '84.000'
                                             'key'  '11B'
                                        'acoustid'  ''
rest: ''

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

'POPM:Windows Media Player 9 Series'                POPM(email='Windows Media Player 9 Series', rating=196, count=0)
'TALB' (Album/Movie/Show title)                     'A Certain Trigger'
'TBPM' (BPM (beats per minute))                     '84.000'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie-rock'
'TDRC' (Recording time)                             '2005-05-16'
'TIT2' (Title/songname/content description)         'The Night I Lost My Head'
'TKEY' (Initial key)                                '11B'
'TPE1' (Lead performer(s)/Soloist(s))               'Maxomo Park'
'TPE2' (Band/orchestra/accompaniment)               'Maxïmo Park'
'TPUB' (Publisher)                                  'Warp Records'
'TRCK' (Track number/Position in set)               '9/13'
'TSOP' (Performer sort order)                       'Maxïmo Park'
'TSRC' (ISRC (international standard recording code))  'GBBPW0400139'
'TXXX:ALBUMARTISTSORT'                              'Maxïmo Park'
'TXXX:ASIN'                                         'B0007VXZJK'
'TXXX:BARCODE'                                      '801061013028'
'TXXX:CATALOGNUMBER'                                'WARPCD130'
'TXXX:MusicBrainz Album Artist Id'                  '92e634a7-6023-4be8-be15-ebba822f5b34'
'TXXX:MusicBrainz Album Id'                         'b1faecad-e091-4a85-995e-d79323d84fac'
'TXXX:MusicBrainz Album Release Country'            'GB'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '92e634a7-6023-4be8-be15-ebba822f5b34'
'TXXX:MusicIP PUID'                                 '015a62a9-d25c-0761-18df-f6370818f913'
'TXXX:MusicMagic Data'                              'AgEASeoKuI6Vd9PbjaAYa0plgAGD4YQS6ZijZDlj1L0NoYABl4z55K4dwwffM5+YgmiAATBvgfkQONRMmkvbnfvsI76nsgBNgAKAAbHenLq9kIUDHIsoc4FAg/yGH+c8nQZUlsbzD7eOEo2X7Uuv2M8VvfClH4K8gtIyPopmL3XqJsl30Dfzdv8HtrQIXoPegiw='
'TXXX:MusicMagic Fingerprint'                       'ARivKccxLyreJA0XEBU8GDcf6hhfF/gY1g31Fv4RKhINDuMU9wtGDEwVMBD4DuQN6wvmCjQLxgqhBoAE/wOUA3QD4wMuAuMCuAKJAx4C5wJw0pPk8M/oDTDscgVK6XU2y/xqLqsTGh53AQ/2oSZAKMn/ivQLCagF3wqHBY8CJf29AMECdwMsBeX/2f/p/yr/k/9c/zX+xf9k/4b/3QAQ/+UM/ymBF1E04f4ACdv2cyD12PoJKtte+xzt9NX2+sEB0eEczT301/lt5TD0NPYw/If5PPvt+3v7l/57APP/wv7k/v4AAQCoAM0AdwBKAGkAXNph6ojzPxqYEzkIaQ8aEVFBPBahBlkDVQCsBGvQqskW7a3xleth7VPfw/kICMgGMgUIAP0DzABE/5n/pf99/1MA5AEzAPEBdQDrAS0A9wAcNEYY/gj+s371N/1u6TcQAiGfLPAbCgRN+qb76gdT+8Xmzt4c9eX3h/QQ+yb9zPulACMAagEhAPX/9P30/mv+Qf7A/tD+3f4w/w7/Ov5c/e3+mBdC/yMnnOAM8dne/u5YG9fNKz6xFakI9gVCHHTtpPhi76kIQ/DE/8bwWuIv7SjwPPiV9Vf6Cfr2/WX9xv2I/J3+0P7E/rb+lP5B/2n/BQeZ4+7xVgKMIccX5Szd0dz0IfLAKv8HgPWk704Mghdu8fO76e5OD6wE5QU9DnYOMwrmBasGVANWAfoBowJTAzQECwM5A6IDTQJbAlcCAgGaOTc1NA=='
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:added_timestamp'                              '129503518583855283'
'TXXX:discogstags'                                  ['rock', 'indie rock']
'TXXX:first_played_timestamp'                       '129503881292461028'
'TXXX:last_played_timestamp'                        '129503881292461028'
'TXXX:lastfmtags'                                   ['indie', 'alternative', 'british', 'indie rock', 'rock']
'TXXX:play_count'                                   '1'
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '-0.14 dB'
'TXXX:replaygain_track_peak'                        '0.354749'

========================== row from database ==========================
                                              'id'  1286654
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/09 - The Night I Lost My Head.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  112
                                           'genre'  ifs-songwriter-indie-rock
                                        'filesize'  2695954
                                           'mtime'  1637330415
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] 09 ifs songwriter indie rock
                                      'tag_artist'  Maxïmo Park
                                     'tag_release'  A Certain Trigger
                                       'tag_title'  The Night I Lost My Head
                                             'bpm'  84.0
                                    'search_title'  'head':6 'i':3 'lost':4 'my':5 'night':2 'the':1
                                   'search_artist'  'maximo':1,2 'park':3
                                  'search_release'  'a':1 'certain':2 'trigger':3
                                     'search_rest'  '00poprockelectronic':1 'files':5,6 'ifs':7 'indie':9 'loose':3,4 'rock':10 'songwriter':8 'unsorted':2
                                    'search_combo'  '00poprockelectronic':13 'a':10C 'certain':11C 'files':17,18 'head':6A 'i':3A 'ifs':19 'indie':21 'loose':15,16 'lost':4A 'maximo':7B,8B 'my':5A 'night':2A 'park':9B 'rock':22 'songwriter':20 'the':1A 'trigger':12C 'unsorted':14
                                    'tag_tracknum'  9
                                      'num_images'  0
                                             'key'  11B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-2', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'alternative', 'british', 'indie rock', 'rock']
                                        'tag_date'  2005
                                     'discogstags'  ['rock', 'indie rock']

============================== file details ==============================
                                           'mtime'  1637330414.7614522  (2021-11-19 15:00:14)
                             'size'  2695954