======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '178'
                                          'artist'  'Michael Jackson and The Jackson 5'
                                     'text_people'  ''
                                         'release'  '18 Greatest Hits'
                                           'title'  'I Want You Back'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-2', 'Q-JZFKS-2', 'q-syn-2', "
 "'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', 'q-drums-2', "
 "'q-other-3', 'q-piano-1', 'q-vocals-3', 'Q-HHRNBTT-1', 'q-mixbeat-2']")
                                      'lastfmtags'  "['soul', 'motown', 'pop', 'funk', '70s']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  '18'
                                            'date'  '1969'
                                        'comments'  ''
                                           'genre'  'funk or soul'
                                             'bpm'  '98.025'
                                             'key'  '4B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'PRIV:AverageLevel:^\x0c\x00\x00'                   PRIV(owner='AverageLevel', data=b'^\x0c\x00\x00')
'PRIV:PeakValue:3f\x00\x00'                         PRIV(owner='PeakValue', data=b'3f\x00\x00')
'TALB' (Album/Movie/Show title)                     '18 Greatest Hits'
'TBPM' (BPM (beats per minute))                     '98.025'
'TCON' (Content type, a.k.a. Genre)                 'funk or soul'
'TDRC' (Recording time)                             '1969'
'TIT2' (Title/songname/content description)         'I Want You Back'
'TKEY' (Initial key)                                '4B'
'TPE1' (Lead performer(s)/Soloist(s))               'The Jackson 5'
'TPE2' (Band/orchestra/accompaniment)               'Michael Jackson and The Jackson 5'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '7/18'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['soul', 'motown', 'pop', 'funk', '70s']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'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'                        '+0.10 dB'
'TXXX:replaygain_track_peak'                        '0.671428'

========================== row from database ==========================
                                              'id'  1348608
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/michael jakson_jackson five - i want you back.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  178
                                           'genre'  funk or soul
                                        'filesize'  2883042
                                           'mtime'  1628357962
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] michael jakson_jackson five want you back funk or soul
                                      'tag_artist'  Michael Jackson and The Jackson 5
                                     'tag_release'  18 Greatest Hits
                                       'tag_title'  I Want You Back
                                             'bpm'  98.025
                                    'search_title'  'back':4 'i':1 'want':2 'you':3
                                   'search_artist'  '5':5 'and':3 'jackson':2 'michael':1 'the':4
                                  'search_release'  '18':1 'greatest':2 'hits':3
                                     'search_rest'  '00poprockelectronic':1 'back':13 'files':5,6 'five':10 'funk':14 'jackson':9 'jakson':8 'loose':3,4 'michael':7 'or':15 'soul':16 'unsorted':2 'want':11 'you':12
                                    'search_combo'  '00poprockelectronic':13 '18':10C '5':9B 'and':7B 'back':4A,25 'files':17,18 'five':22 'funk':26 'greatest':11C 'hits':12C 'i':1A 'jackson':6B,21 'jakson':20 'loose':15,16 'michael':5B,19 'or':27 'soul':28 'the':8B 'unsorted':14 'want':2A,23 'you':3A,24
                                    'tag_tracknum'  7
                                      'num_images'  1
                                             'key'  4B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['soul', 'motown', 'pop', 'funk', '70s']
                                        'tag_date'  1969
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1628357961.8125186  (2021-08-07 19:39:21)
                             'size'  2883042