======================== unified (from filesystem) ========================
                                         'bitrate'  '242.271'
                                        'duration'  '357'
                                          'artist'  'AL-90 with Spurv'
                                     'text_people'  ''
                                         'release'  'CODE-915913'
                                           'title'  'Melancholia staroy pornozvezdy'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-UNU-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-3']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  '14'
                                            'date'  '2015'
                                        'comments'  ''
                                           'genre'  'electronic'
                                             'bpm'  '119.9'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'CODE-915913'
'TBPM' (BPM (beats per minute))                     '119.9'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'electronic'
'TDOR' (Original release time)                      '2015'
'TDRC' (Recording time)                             '2015-02-25'
'TIT2' (Title/songname/content description)         'Melancholia staroy pornozvezdy'
'TKEY' (Initial key)                                '4A'
'TMED' (Media type)                                 'Digital Media'
'TPE1' (Lead performer(s)/Soloist(s))               'AL-90 with Spurv'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Fuselab'
'TRCK' (Track number/Position in set)               '4/14'
'TSO2'                                              'AL-90'
'TSOP' (Performer sort order)                       'AL-90 with Spurv'
'TXXX:MP3GAIN_ALBUM_MINMAX'                         '124,254'
'TXXX:MP3GAIN_MINMAX'                               '124,254'
'TXXX:MP3GAIN_UNDO'                                 '+001,+001,N'
'TXXX:MusicBrainz Album Artist Id'                  '035aa393-7375-458d-acb9-e35ac449e17d'
'TXXX:MusicBrainz Album Id'                         'fb0220ff-85ee-462e-9acb-fe56950cbcba'
'TXXX:MusicBrainz Album Release Country'            'XW'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '035aa393-7375-458d-acb9-e35ac449e17d/b20284ad-ff32-4f68-8f98-585fc81b0698'
'TXXX:MusicBrainz Release Group Id'                 'c5aef3ae-8684-4831-a112-6908e027edfb'
'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:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.41 dB'
'TXXX:replaygain_track_peak'                        '0.841163'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'3945cf3d-87d1-41a2-9d3f-a5f5988933bb')

========================== row from database ==========================
                                              'id'  1373685
                                            'path'  /data/Music/Bulk/00poprockelectronic/00calmer/AL-90 with Spurv - AL-90 - 2015 - CODE-915913/04 - AL-90 - Melancholia staroy pornozvezdy (with Spurv).mp3
                                         'working'  None
                                         'bitrate'  242
                                    'duration_sec'  357
                                           'genre'  electronic
                                        'filesize'  10828235
                                           'mtime'  1636913049
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00calmer 2015 04 (with Spurv) electronic
                                      'tag_artist'  AL-90 with Spurv
                                     'tag_release'  CODE-915913
                                       'tag_title'  Melancholia staroy pornozvezdy
                                             'bpm'  119.9
                                    'search_title'  'melancholia':1 'pornozvezdy':3 'staroy':2
                                   'search_artist'  '90':2 'al':1 'al90':3 'spurv':5 'with':4
                                  'search_release'  '915913':2 'code':1 'code915913':3
                                     'search_rest'  '00calmer':2 '00poprockelectronic':1 '2015':3 'electronic':8 'spurv':6,7 'with':4,5
                                    'search_combo'  '00calmer':13 '00poprockelectronic':12 '2015':14 '90':5B '915913':10C 'al':4B 'al90':6B 'code':9C 'code915913':11C 'electronic':19 'melancholia':1A 'pornozvezdy':3A 'spurv':8B,17,18 'staroy':2A 'with':7B,15,16
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-1', 'q-other-2', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  2015
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636913049.1873446  (2021-11-14 19:04:09)
                             'size'  10828235