======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '373'
                                          'artist'  'Vespero'
                                     'text_people'  ''
                                         'release'  'Droga'
                                           'title'  'Frozen Lilies (Melt in Heaven)'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['russian', 'progressive rock', 'space rock', 'psychedelic rock', 'krautrock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  '9'
                                            'date'  '2013'
                                        'comments'  ''
                                           'genre'  'rock-cppex-psychedelic-space;set-pl-progspace'
                                             'bpm'  '142.1'
                                             'key'  '8A'
                                        'acoustid'  'd87fbbf3-a545-4dcd-abd5-6d2af46f0b13'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Droga'
'TBPM' (BPM (beats per minute))                     '142.1'
'TCON' (Content type, a.k.a. Genre)                 ['rock-cppex-psychedelic-space', 'set-pl-progspace']
'TDOR' (Original release time)                      '2013'
'TDRC' (Recording time)                             '2013-07-15'
'TIT2' (Title/songname/content description)         'Frozen Lilies (Melt in Heaven)'
'TKEY' (Initial key)                                '8A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Vespero'
'TPE2' (Band/orchestra/accompaniment)               'Vespero'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'R.A.I.G.'
'TRCK' (Track number/Position in set)               '8/9'
'TSO2'                                              'Vespero'
'TSOP' (Performer sort order)                       'Vespero'
'TXXX:Acoustid Id'                                  'd87fbbf3-a545-4dcd-abd5-6d2af46f0b13'
'TXXX:Artists'                                      'Vespero'
'TXXX:CATALOGNUMBER'                                'R079'
'TXXX:MusicBrainz Album Artist Id'                  '2fe8d7bc-5c4e-44a4-840c-a9603739870a'
'TXXX:MusicBrainz Album Id'                         'ef4a4fa4-aa92-4dd3-9341-4a41d935e66a'
'TXXX:MusicBrainz Album Release Country'            'RU'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '2fe8d7bc-5c4e-44a4-840c-a9603739870a'
'TXXX:MusicBrainz Release Group Id'                 '7f99be54-827c-4845-a7da-380ad78bfcd1'
'TXXX:MusicBrainz Release Track Id'                 '00ab9798-f471-4378-846a-425b2f331817'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['russian', 'progressive rock', 'space rock', 'psychedelic rock', 'krautrock']
'TXXX:originalyear'                                 '2013'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.06 dB'
'TXXX:replaygain_track_peak'                        '0.377038'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'4039073b-0148-4e34-9b05-21b5502915bd')

========================== row from database ==========================
                                              'id'  1414257
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/vespero - droga/08 - frozen lilies (melt in heaven).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  373
                                           'genre'  rock-cppex-psychedelic-space;set-pl-progspace
                                        'filesize'  9068523
                                           'mtime'  1620736225
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy vespero droga 08 frozen lilies (melt heaven) rock cppex psychedelic space;set pl progspace
                                      'tag_artist'  Vespero
                                     'tag_release'  Droga
                                       'tag_title'  Frozen Lilies (Melt in Heaven)
                                             'bpm'  142.1
                                    'search_title'  'frozen':1 'heaven':6,7 'in':5 'lilies':2 'melt':3,4
                                   'search_artist'  'vespero':1
                                  'search_release'  'droga':1
                                     'search_rest'  'classicprogpsy':1 'cppex':11 'droga':3 'frozen':4 'heaven':8,9 'lilies':5 'melt':6,7 'pl':17 'progspace':18 'psychedelic':12 'rock':10 'set':14,16 'space':13,15 'vespero':2
                                    'search_combo'  'classicprogpsy':10 'cppex':20 'droga':9C,12 'frozen':1A,13 'heaven':6A,7A,17,18 'in':5A 'lilies':2A,14 'melt':3A,4A,15,16 'pl':26 'progspace':27 'psychedelic':21 'rock':19 'set':23,25 'space':22,24 'vespero':8B,11
                                    'tag_tracknum'  8
                                      'num_images'  1
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['russian', 'progressive rock', 'space rock', 'psychedelic rock', 'krautrock']
                                        'tag_date'  2013
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620736224.8508806  (2021-05-11 14:30:24)
                             'size'  9068523