======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '291'
                                          'artist'  'The Dutch'
                                     'text_people'  ''
                                         'release'  'Rock Over Holland'
                                           'title'  'This Is Welfare'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-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-3', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['new wave', 'the netherlands', '80s', 'male vocalists', '10s']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  ''
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'electronic-we-new wave or post punk'
                                             'bpm'  '112.258'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Rock Over Holland'
'TBPM' (BPM (beats per minute))                     '112.258'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-new wave or post punk'
'TDRC' (Recording time)                             '2001'
'TIT2' (Title/songname/content description)         'This Is Welfare'
'TKEY' (Initial key)                                '12B'
'TPE1' (Lead performer(s)/Soloist(s))               'The Dutch'
'TRCK' (Track number/Position in set)               '5'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['new wave', 'the netherlands', '80s', 'male vocalists', '10s']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.56 dB'
'TXXX:replaygain_track_peak'                        '0.639088'

========================== row from database ==========================
                                              'id'  1319499
                                            'path'  /data/Music/Bulk/00poprockelectronic/The Dutch/Dutch, The__Rock Over Holland__05 - This Is Welfare.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  291
                                           'genre'  electronic-we-new wave or post punk
                                        'filesize'  6995604
                                           'mtime'  1620572232
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Dutch, The__Rock Holland__05 electronic we new wave or post punk
                                      'tag_artist'  The Dutch
                                     'tag_release'  Rock Over Holland
                                       'tag_title'  This Is Welfare
                                             'bpm'  112.258
                                    'search_title'  'is':2 'this':1 'welfare':3
                                   'search_artist'  'dutch':2 'the':1
                                  'search_release'  'holland':3 'over':2 'rock':1
                                     'search_rest'  '00poprockelectronic':1 '05':7 'dutch':2,3 'electronic':8 'holland':6 'new':10 'or':12 'post':13 'punk':14 'rock':5 'the':4 'wave':11 'we':9
                                    'search_combo'  '00poprockelectronic':9 '05':15 'dutch':5B,10,11 'electronic':16 'holland':8C,14 'is':2A 'new':18 'or':20 'over':7C 'post':21 'punk':22 'rock':6C,13 'the':4B,12 'this':1A 'wave':19 'we':17 'welfare':3A
                                    'tag_tracknum'  5
                                      '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-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['new wave', 'the netherlands', '80s', 'male vocalists', '10s']
                                        'tag_date'  2001
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620572232.2101736  (2021-05-09 16:57:12)
                             'size'  6995604