======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '211'
                                          'artist'  'Mechanical Servants'
                                     'text_people'  ''
                                         'release'  'Lost Girls 1977-1982'
                                           'title'  'Problem What Problem?'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-1', 'q-other-1', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['80s', 'new wave', 'minimal wave', 'the original song', 'synthpop']"
                                     'discogstags'  "['electronic', 'synth-pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  '21'
                                            'date'  '1980'
                                        'comments'  ''
                                           'genre'  'electronic-we-new wave or post punk'
                                             'bpm'  '105.919'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Lost Girls 1977-1982'
'TBPM' (BPM (beats per minute))                     '105.919'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-new wave or post punk'
'TDRC' (Recording time)                             '1980'
'TENC' (Encoded by)                                 'Exact Audio Copy   (Burst mode)'
'TIT2' (Title/songname/content description)         'Problem What Problem?'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Mechanical Servants'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '1/21'
'TSSE' (Software/Hardware and settings used for encoding)  'lame.exe -p -h -b 320'
'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'                                  ['electronic', 'synth-pop']
'TXXX:lastfmtags'                                   ['80s', 'new wave', 'minimal wave', 'the original song', 'synthpop']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.33 dB'
'TXXX:replaygain_track_peak'                        '0.501988'

========================== row from database ==========================
                                              'id'  1330496
                                            'path'  /data/Music/Bulk/00poprockelectronic-waves-disco/00newwave-postpunk/New Folder With Items/01 - mechanical servants -- problem what problem .mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  211
                                           'genre'  electronic-we-new wave or post punk
                                        'filesize'  8481825
                                           'mtime'  1620611491
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic waves disco 00newwave postpunk New Folder With Items 01 mechanical servants problem what problem electronic we new wave or post punk
                                      'tag_artist'  Mechanical Servants
                                     'tag_release'  Lost Girls 1977-1982
                                       'tag_title'  Problem What Problem?
                                             'bpm'  105.919
                                    'search_title'  'problem':1,3 'what':2
                                   'search_artist'  'mechanical':1 'servants':2
                                  'search_release'  '1977':3 '19771982':5 '1982':4 'girls':2 'lost':1
                                     'search_rest'  '00newwave':4 '00poprockelectronic':1 'disco':3 'electronic':14 'folder':7 'items':9 'mechanical':10 'new':6 'or':17 'post':18 'postpunk':5 'problem':12 'punk':19 'servants':11 'wave':16 'waves':2 'we':15 'what':13 'with':8
                                    'search_combo'  '00newwave':14 '00poprockelectronic':11 '1977':8C '19771982':10C '1982':9C 'disco':13 'electronic':24 'folder':17 'girls':7C 'items':19 'lost':6C 'mechanical':4B,20 'new':16 'or':27 'post':28 'postpunk':15 'problem':1A,3A,22 'punk':29 'servants':5B,21 'wave':26 'waves':12 'we':25 'what':2A,23 'with':18
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-1', 'q-other-1', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['80s', 'new wave', 'minimal wave', 'the original song', 'synthpop']
                                        'tag_date'  1980
                                     'discogstags'  ['electronic', 'synth-pop']

============================== file details ==============================
                                           'mtime'  1620611490.509169  (2021-05-10 03:51:30)
                             'size'  8481825