======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '149'
                                          'artist'  'The Beatles'
                                     'text_people'  ''
                                         'release'  'Revolver'
                                           'title'  'I Want To Tell You'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['pop', 'rock', '60s', 'british', 'classic rock']"
                                     'discogstags'  "['rock', 'pop', 'pop rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  '14'
                                            'date'  '1966'
                                        'comments'  ''
                                           'genre'  'rock-cppex-classic'
                                             'bpm'  '127.927'
                                             'key'  '11B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Revolver'
'TBPM' (BPM (beats per minute))                     '127.927'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex-classic'
'TDOR' (Original release time)                      '1966'
'TDRC' (Recording time)                             '1966'
'TIT2' (Title/songname/content description)         'I Want To Tell You'
'TKEY' (Initial key)                                '11B'
'TMED' (Media type)                                 '12" Vinyl'
'TPE1' (Lead performer(s)/Soloist(s))               'The Beatles'
'TPE2' (Band/orchestra/accompaniment)               'The Beatles'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Odeon'
'TRCK' (Track number/Position in set)               '12/14'
'TSO2'                                              'Beatles, The'
'TSOP' (Performer sort order)                       'Beatles, The'
'TXXX:Artists'                                      'The Beatles'
'TXXX:CATALOGNUMBER'                                'SMO 74 161'
'TXXX:MusicBrainz Album Artist Id'                  'b10bbbfc-cf9e-42e0-be17-e2c3e1d2600d'
'TXXX:MusicBrainz Album Id'                         'f65afc04-4956-4218-b6cd-65b80664142d'
'TXXX:MusicBrainz Album Release Country'            'CH'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'b10bbbfc-cf9e-42e0-be17-e2c3e1d2600d'
'TXXX:MusicBrainz Release Group Id'                 '72d15666-99a7-321e-b1f3-a3f8c09dff9f'
'TXXX:MusicBrainz Release Track Id'                 '9b9a828b-867d-4984-87a8-a42db2f66665'
'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:discogstags'                                  ['rock', 'pop', 'pop rock']
'TXXX:lastfmtags'                                   ['pop', 'rock', '60s', 'british', 'classic rock']
'TXXX:originalyear'                                 '1966'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '1'
'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'                        '+1.53 dB'
'TXXX:replaygain_track_peak'                        '0.863212'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'7be13dc8-3817-4392-a249-5fadb94fbcdf')
'USLT::XXX'                                         ('I want to tell you\n'
 'My head is filled with things to say\n'
 "When you're here\n"
 'All those words, they seem to slip away\n'
 '\n'
 'When I get near you,\n'
 'The games begin to drag me down\n'
 "It's all right\n"
 "I'll make you maybe next time around\n"
 '\n'
 'But if I seem to act unkind\n'
 "It's only me, it's not my mind\n"
 'That is confusing things.\n'
 '\n'
 'I want to tell you\n'
 "I feel hung up but I don't know why,\n"
 "I don't mind\n"
 'I could wait forever, \n'
 "I've got time\n"
 '\n'
 'Sometimes I wish I knew you well,\n'
 'Then I could speak my mind and tell you\n'
 "Maybe you'd understand\n"
 '\n'
 'I want to tell you\n'
 "I feel hung up but I don't know why,\n"
 "I don't mind\n"
 'I could wait forever, \n'
 "I've got time\n"
 '\n'
 "I've got time\n"
 "I've got time")

========================== row from database ==========================
                                              'id'  1531718
                                            'path'  /data/Music/Bulk/00poprockelectronic/Beatles/_66-revolver/The Beatles - I Want to Tell you.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  149
                                           'genre'  rock-cppex-classic
                                        'filesize'  3004930
                                           'mtime'  1636039055
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic _66 revolver to you rock cppex classic
                                      'tag_artist'  The Beatles
                                     'tag_release'  Revolver
                                       'tag_title'  I Want To Tell You
                                             'bpm'  127.927
                                    'search_title'  'i':1 'tell':4 'to':3 'want':2 'you':5
                                   'search_artist'  'beatles':2 'the':1
                                  'search_release'  'revolver':1
                                     'search_rest'  '00poprockelectronic':1 '66':2 'classic':8 'cppex':7 'revolver':3 'rock':6 'to':4 'you':5
                                    'search_combo'  '00poprockelectronic':9 '66':10 'beatles':7B 'classic':16 'cppex':15 'i':1A 'revolver':8C,11 'rock':14 'tell':4A 'the':6B 'to':3A,12 'want':2A 'you':5A,13
                                    'tag_tracknum'  12
                                      'num_images'  0
                                             'key'  11B
                                           '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-1', 'q-syn-2', 'q-chart-4', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['pop', 'rock', '60s', 'british', 'classic rock']
                                        'tag_date'  1966
                                     'discogstags'  ['rock', 'pop', 'pop rock']

============================== file details ==============================
                                           'mtime'  1636039055.3285406  (2021-11-04 16:17:35)
                             'size'  3004930