======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '248'
                                          'artist'  'Duran Duran'
                                     'text_people'  ''
                                         'release'  "More Greatest Hits Of The 80's"
                                           'title'  'Is There Something I Should Kn'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', '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-3', "
 "'q-chart-4', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['80s', 'new wave', 'synth pop', 'pop', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  ''
                                            'date'  '1985'
                                        'comments'  ''
                                           'genre'  'electronic-we-new wave or post punk'
                                             'bpm'  '125.006'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     "More Greatest Hits Of The 80's"
'TBPM' (BPM (beats per minute))                     '125.006'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-new wave or post punk'
'TDRC' (Recording time)                             '1985'
'TIT2' (Title/songname/content description)         'Is There Something I Should Kn'
'TKEY' (Initial key)                                '9B'
'TPE1' (Lead performer(s)/Soloist(s))               'Duran Duran'
'TRCK' (Track number/Position in set)               '4'
'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:lastfmtags'                                   ['80s', 'new wave', 'synth pop', 'pop', 'rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'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'                        '-0.77 dB'
'TXXX:replaygain_track_peak'                        '0.596093'

========================== row from database ==========================
                                              'id'  1507735
                                            'path'  /data/Music/Bulk/00poprockelectronic-waves-disco/00newwave-postpunk/Duran Duran/MBZ;#Duran Duran;#More Greatest Hits Of The 80_s (disc 3);#04;#Is There Something I Should Know.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  248
                                           'genre'  electronic-we-new wave or post punk
                                        'filesize'  3971434
                                           'mtime'  1620611411
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic waves disco 00newwave postpunk MBZ;#Duran Duran;#More 80_s (disc 3);#04;#Is Know electronic we new wave post punk
                                      'tag_artist'  Duran Duran
                                     'tag_release'  More Greatest Hits Of The 80's
                                       'tag_title'  Is There Something I Should Kn
                                             'bpm'  125.006
                                    'search_title'  'i':4 'is':1 'kn':6 'should':5 'something':3 'there':2
                                   'search_artist'  'duran':1
                                  'search_release'  '80':6 '80s':8 'greatest':2 'hits':3 'more':1 'of':4 's':7 'the':5
                                     'search_rest'  '00newwave':4 '00poprockelectronic':1 '04':19,22 '3':18,21 '80':14 'disc':16,17 'disco':3 'duran':7,9,10,12 'electronic':25 'is':20,23 'know':24 'mbz':6,8 'more':11,13 'new':27 'post':29 'postpunk':5 'punk':30 's':15 'wave':28 'waves':2 'we':26
                                    'search_combo'  '00newwave':19 '00poprockelectronic':16 '04':34,37 '3':33,36 '80':13C,29 '80s':15C 'disc':31,32 'disco':18 'duran':7B,22,24,25,27 'electronic':40 'greatest':9C 'hits':10C 'i':4A 'is':1A,35,38 'kn':6A 'know':39 'mbz':21,23 'more':8C,26,28 'new':42 'of':11C 'post':44 'postpunk':20 'punk':45 's':14C,30 'should':5A 'something':3A 'the':12C 'there':2A 'wave':43 'waves':17 'we':41
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  9B
                                           '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-4', 'q-other-2', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['80s', 'new wave', 'synth pop', 'pop', 'rock']
                                        'tag_date'  1985
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620611410.966114  (2021-05-10 03:50:10)
                             'size'  3971434