======================== unified (from filesystem) ========================
                                         'bitrate'  '224.995'
                                        'duration'  '215'
                                          'artist'  'The Aquabats!'
                                     'text_people'  ''
                                         'release'  'Charge!!'
                                           'title'  "Look at Me, I'm a Winner!"
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-1', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['ska', 'ska punk', 'punk', 'fun', 'rock']"
                                     'discogstags'  "['rock', 'pop punk', 'new wave']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  ''
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'rock-gr-punk-ska'
                                             'bpm'  '106.700'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Charge!!'
'TBPM' (BPM (beats per minute))                     '106.700'
'TCON' (Content type, a.k.a. Genre)                 'rock-gr-punk-ska'
'TDRC' (Recording time)                             '2005'
'TIT2' (Title/songname/content description)         "Look at Me, I'm a Winner!"
'TKEY' (Initial key)                                '12B'
'TPE1' (Lead performer(s)/Soloist(s))               'The Aquabats!'
'TRCK' (Track number/Position in set)               '7'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  ['rock', 'pop punk', 'new wave']
'TXXX:lastfmtags'                                   ['ska', 'ska punk', 'punk', 'fun', 'rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.82 dB'
'TXXX:replaygain_track_peak'                        '0.402844'

========================== row from database ==========================
                                              'id'  1358438
                                            'path'  /data/Music/Bulk/00poprockelectronic/The Aquabats/Charge/07-the_aquabats-look_at_me_im_a_winner-kzt.mp3
                                         'working'  None
                                         'bitrate'  225
                                    'duration_sec'  215
                                           'genre'  rock-gr-punk-ska
                                        'filesize'  6059468
                                           'mtime'  1621696003
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 07 the_aquabats look_at_me_im_a_winner kzt rock gr punk ska
                                      'tag_artist'  The Aquabats!
                                     'tag_release'  Charge!!
                                       'tag_title'  Look at Me, I'm a Winner!
                                             'bpm'  106.7
                                    'search_title'  'a':8 'at':2 'i':5 'im':7 'look':1 'm':6 'me':3,4 'winner':9
                                   'search_artist'  'aquabats':2 'the':1
                                  'search_release'  'charge':1
                                     'search_rest'  '00poprockelectronic':1 'a':8 'aquabats':3 'at':5 'gr':12 'im':7 'kzt':10 'look':4 'me':6 'punk':13 'rock':11 'ska':14 'the':2 'winner':9
                                    'search_combo'  '00poprockelectronic':13 'a':8A,20 'aquabats':11B,15 'at':2A,17 'charge':12C 'gr':24 'i':5A 'im':7A,19 'kzt':22 'look':1A,16 'm':6A 'me':3A,4A,18 'punk':25 'rock':23 'ska':26 'the':10B,14 'winner':9A,21
                                    'tag_tracknum'  7
                                      'num_images'  0
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-1']
                                      'lastfmtags'  ['ska', 'ska punk', 'punk', 'fun', 'rock']
                                        'tag_date'  2005
                                     'discogstags'  ['rock', 'pop punk', 'new wave']

============================== file details ==============================
                                           'mtime'  1621696003.0297909  (2021-05-22 17:06:43)
                             'size'  6059468