======================== unified (from filesystem) ========================
                                         'bitrate'  '181.918'
                                        'duration'  '213'
                                          'artist'  'The All-American Rejects'
                                     'text_people'  ''
                                         'release'  'When the World Comes Down'
                                           'title'  'Gives You Hell'
                                           'quals'  ("['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-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-2']")
                                      'lastfmtags'  "['alternative', 'pop punk', 'punk', 'emo', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  ''
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'rock-gr-punk-pop'
                                             'bpm'  '99.960'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'When the World Comes Down'
'TBPM' (BPM (beats per minute))                     '99.960'
'TCON' (Content type, a.k.a. Genre)                 'rock-gr-punk-pop'
'TDRC' (Recording time)                             '2008'
'TIT2' (Title/songname/content description)         'Gives You Hell'
'TKEY' (Initial key)                                '12B'
'TPE1' (Lead performer(s)/Soloist(s))               'The All-American Rejects'
'TRCK' (Track number/Position in set)               '4'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['alternative', 'pop punk', 'punk', 'emo', 'rock']
'TXXX:original release date'                        ['2008', '2008']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+9.62 dB'
'TXXX:replaygain_track_peak'                        '0.146555'

========================== row from database ==========================
                                              'id'  1491450
                                            'path'  /data/Music/Bulk/00localcharacter/00mid-north-europe/00dutch/04-the_all-american_rejects-gives_you_hell-crd.mp3
                                         'working'  None
                                         'bitrate'  181
                                    'duration_sec'  213
                                           'genre'  rock-gr-punk-pop
                                        'filesize'  4849968
                                           'mtime'  1620385856
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00mid north europe 00dutch 04 the_all american_rejects gives_you_hell crd rock gr punk pop
                                      'tag_artist'  The All-American Rejects
                                     'tag_release'  When the World Comes Down
                                       'tag_title'  Gives You Hell
                                             'bpm'  99.96
                                    'search_title'  'gives':1 'hell':3 'you':2
                                   'search_artist'  'all':2 'allamerican':4 'american':3 'rejects':5 'the':1
                                  'search_release'  'comes':4 'down':5 'the':2 'when':1 'world':3
                                     'search_rest'  '00dutch':4 '00mid':1 'all':6 'american':7 'crd':12 'europe':3 'gives':9 'gr':14 'hell':11 'north':2 'pop':16 'punk':15 'rejects':8 'rock':13 'the':5 'you':10
                                    'search_combo'  '00dutch':17 '00mid':14 'all':5B,19 'allamerican':7B 'american':6B,20 'comes':12C 'crd':25 'down':13C 'europe':16 'gives':1A,22 'gr':27 'hell':3A,24 'north':15 'pop':29 'punk':28 'rejects':8B,21 'rock':26 'the':4B,10C,18 'when':9C 'world':11C 'you':2A,23
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', '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-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['alternative', 'pop punk', 'punk', 'emo', 'rock']
                                        'tag_date'  2008
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620385855.6378064  (2021-05-07 13:10:55)
                             'size'  4849968