======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '357'
                                          'artist'  'Tiger B. Smith'
                                     'text_people'  ''
                                         'release'  'Tiger Rock'
                                           'title'  'These Days'
                                           'quals'  ("['Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-OLDST-2', "
 "'Q-SYN-2', 'Q-BUSY-3', 'Q-GRIT-2', 'Q-PLAY-3', 'Q-CHART-1', 'Q-MIXBEAT-2', "
 "'q-bass-3', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-2']")
                                      'lastfmtags'  "['blues rock', 'krautrock', 'hard rock', 'progressive rock', 'heavy rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  '5'
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'rock-cppex'
                                             'bpm'  '129.2'
                                             'key'  '8A'
                                        'acoustid'  '3a182a33-93ec-4cc6-b9b0-f096f0dad563'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::eng'                                         'Germany'
'TALB' (Album/Movie/Show title)                     'Tiger Rock'
'TBPM' (BPM (beats per minute))                     '129.2'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex'
'TDOR' (Original release time)                      '1972'
'TDRC' (Recording time)                             '2000'
'TIT2' (Title/songname/content description)         'These Days'
'TKEY' (Initial key)                                '8A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Tiger B. Smith'
'TPE2' (Band/orchestra/accompaniment)               'Tiger B. Smith'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'ADA Sound Ltd.'
'TRCK' (Track number/Position in set)               '2/5'
'TSO2'                                              'Tiger B. Smith'
'TSOP' (Performer sort order)                       'Tiger B. Smith'
'TXXX:Acoustid Id'                                  '3a182a33-93ec-4cc6-b9b0-f096f0dad563'
'TXXX:Artists'                                      'Tiger B. Smith'
'TXXX:CATALOGNUMBER'                                'ADASD 07184'
'TXXX:MusicBrainz Album Artist Id'                  'b609b234-a9ab-4cad-b9aa-4717033f0eee'
'TXXX:MusicBrainz Album Id'                         '3803518a-6df7-4119-8311-093dfcb49097'
'TXXX:MusicBrainz Album Release Country'            'RU'
'TXXX:MusicBrainz Album Status'                     'bootleg'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'b609b234-a9ab-4cad-b9aa-4717033f0eee'
'TXXX:MusicBrainz Release Group Id'                 'f5b83789-b4b3-4f53-bd6c-a1d9219a00fb'
'TXXX:MusicBrainz Release Track Id'                 '551f05f4-c74e-462a-aeb4-9ccc75907863'
'TXXX:Q-BUSY'                                       '3'
'TXXX:Q-CHART'                                      '1'
'TXXX:Q-GRIT'                                       '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-MIXBEAT'                                    '2'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-SYN'                                        '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['blues rock', 'krautrock', 'hard rock', 'progressive rock', 'heavy rock']
'TXXX:originalyear'                                 '1972'
'TXXX:q-bass'                                       '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-8.86 dB'
'TXXX:replaygain_track_peak'                        '1.118151'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'265c643c-b16b-4525-b0ab-596984c826ac')

========================== row from database ==========================
                                              'id'  1478594
                                            'path'  /data/Music/Bulk/00poprockelectronic/tiger b. smith - tiger rock (germany hard blues 1972)/02 - these days.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  357
                                           'genre'  rock-cppex
                                        'filesize'  8668663
                                           'mtime'  1620737497
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic tiger b. smith tiger rock (germany hard blues 1972) 02 these days rock cppex
                                      'tag_artist'  Tiger B. Smith
                                     'tag_release'  Tiger Rock
                                       'tag_title'  These Days
                                             'bpm'  129.2
                                    'search_title'  'days':2 'these':1
                                   'search_artist'  'b':2,3 'smith':4 'tiger':1
                                  'search_release'  'rock':2 'tiger':1
                                     'search_rest'  '00poprockelectronic':1 '1972':11,12 'b':3,4 'blues':10 'cppex':15 'days':14 'germany':7,8 'hard':9 'rock':6 'smith':5 'these':13 'tiger':2
                                    'search_combo'  '00poprockelectronic':9 '1972':19,20 'b':4B,5B,11,12 'blues':18 'cppex':23 'days':2A,22 'germany':15,16 'hard':17 'rock':8C,14 'smith':6B,13 'these':1A,21 'tiger':3B,7C,10
                                    'tag_tracknum'  2
                                      'num_images'  1
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'Q-MIXBEAT-2', 'Q-OLDST-2', 'Q-GRIT-2', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-CHART-1', 'q-drums-4', 'Q-SYN-2', 'q-other-3', 'Q-BUSY-3', 'Q-PLAY-3', 'q-bass-3']
                                      'lastfmtags'  ['blues rock', 'krautrock', 'hard rock', 'progressive rock', 'heavy rock']
                                        'tag_date'  2000
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620737496.9371402  (2021-05-11 14:51:36)
                             'size'  8668663