======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '155'
                                          'artist'  'fantastic four '
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  "I don't want to live without you"
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-3', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-OLDST-2', 'q-syn-2', "
 "'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', 'q-drums-2', "
 "'q-other-3', 'q-piano-1', 'q-vocals-4', 'Q-HHRNBTT-1', 'q-mixbeat-1']")
                                      'lastfmtags'  "['soul', 'funk', '7soul', 'rnb', '70s']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'funk or soul'
                                             'bpm'  '105.974'
                                             'key'  '7B'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            ' 00000835 00000B62 0000342B 00'
'COMM:iTunNORM:eng'                                 (' 00000835 00000B62 0000342B 000047AB 0000EB48 00010AF0 00006DD9 00007DC5 '
 '00009364 0000FB9C')
'TBPM' (BPM (beats per minute))                     '105.974'
'TCON' (Content type, a.k.a. Genre)                 'funk or soul'
'TIT2' (Title/songname/content description)         "I don't want to live without you"
'TKEY' (Initial key)                                '7B'
'TPE1' (Lead performer(s)/Soloist(s))               'fantastic four '
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['soul', 'funk', '7soul', 'rnb', '70s']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.85 dB'
'TXXX:replaygain_track_peak'                        '0.491302'

========================== row from database ==========================
                                              'id'  1498915
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/fantastic four -i don_t want to live without you.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  155
                                           'genre'  funk or soul
                                        'filesize'  2494222
                                           'mtime'  1628357959
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] don_t funk or soul
                                      'tag_artist'  fantastic four 
                                     'tag_release'  None
                                       'tag_title'  I don't want to live without you
                                             'bpm'  105.974
                                    'search_title'  'don':2 'dont':4 'i':1 'live':7 't':3 'to':6 'want':5 'without':8 'you':9
                                   'search_artist'  'fantastic':1 'four':2
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 'don':7 'files':5,6 'funk':9 'loose':3,4 'or':10 'soul':11 't':8 'unsorted':2
                                    'search_combo'  '00poprockelectronic':12 'don':2A,18 'dont':4A 'fantastic':10B 'files':16,17 'four':11B 'funk':20 'i':1A 'live':7A 'loose':14,15 'or':21 'soul':22 't':3A,19 'to':6A 'unsorted':13 'want':5A 'without':8A 'you':9A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  7B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['soul', 'funk', '7soul', 'rnb', '70s']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1628357959.2965436  (2021-08-07 19:39:19)
                             'size'  2494222