======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '228'
                                          'artist'  'Bananarama'
                                     'text_people'  ''
                                         'release'  'The Greatest Hits Collection'
                                           'title'  'I Want You Back'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['80s', 'new wave', 'dance', 'female vocalists', 'pop']"
                                     'discogstags'  "['electronic', 'hi nrg', 'synth-pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  ''
                                            'date'  '1988'
                                        'comments'  ''
                                           'genre'  'electronic-we-new wave or post punk'
                                             'bpm'  '123.859'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'The Greatest Hits Collection'
'TBPM' (BPM (beats per minute))                     '123.859'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-new wave or post punk'
'TDRC' (Recording time)                             '1988'
'TIT2' (Title/songname/content description)         'I Want You Back'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Bananarama'
'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'                                  ['electronic', 'hi nrg', 'synth-pop']
'TXXX:lastfmtags'                                   ['80s', 'new wave', 'dance', 'female vocalists', 'pop']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.04 dB'
'TXXX:replaygain_track_peak'                        '0.589601'

========================== row from database ==========================
                                              'id'  1329796
                                            'path'  /data/Music/Bulk/00poprockelectronic-waves-disco/00newwave-postpunk/Bananarama/The Greatest Hits Collection/MBZ;#Bananarama;#The Grea___llection;#05;#I Want You Back.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  228
                                           'genre'  electronic-we-new wave or post punk
                                        'filesize'  3657831
                                           'mtime'  1620611362
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic waves disco 00newwave postpunk MBZ;#Bananarama;#The Grea___llection;#05;#I electronic we new wave or post punk
                                      'tag_artist'  Bananarama
                                     'tag_release'  The Greatest Hits Collection
                                       'tag_title'  I Want You Back
                                             'bpm'  123.859
                                    'search_title'  'back':4 'i':1 'want':2 'you':3
                                   'search_artist'  'bananarama':1
                                  'search_release'  'collection':4 'greatest':2 'hits':3 'the':1
                                     'search_rest'  '00newwave':4 '00poprockelectronic':1 '05':14,18 'bananarama':7,10 'disco':3 'electronic':20 'grea':12,16 'i':15,19 'llection':13,17 'mbz':6,9 'new':22 'or':24 'post':25 'postpunk':5 'punk':26 'the':8,11 'wave':23 'waves':2 'we':21
                                    'search_combo'  '00newwave':13 '00poprockelectronic':10 '05':23,27 'back':4A 'bananarama':5B,16,19 'collection':9C 'disco':12 'electronic':29 'grea':21,25 'greatest':7C 'hits':8C 'i':1A,24,28 'llection':22,26 'mbz':15,18 'new':31 'or':33 'post':34 'postpunk':14 'punk':35 'the':6C,17,20 'want':2A 'wave':32 'waves':11 'we':30 'you':3A
                                    'tag_tracknum'  5
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', '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-4', 'q-syn-2', 'q-chart-3', 'q-other-2', 'Q-HAP-2', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['80s', 'new wave', 'dance', 'female vocalists', 'pop']
                                        'tag_date'  1988
                                     'discogstags'  ['electronic', 'hi nrg', 'synth-pop']

============================== file details ==============================
                                           'mtime'  1620611361.8688374  (2021-05-10 03:49:21)
                             'size'  3657831