======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '628'
                                          'artist'  'Sleep'
                                     'text_people'  ''
                                         'release'  'Jerusalem'
                                           'title'  'Jerusalem (pt. 4)'
                                           'quals'  ("['Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['sludge', 'stoner rock', 'stoner metal', 'doom metal', 'stoner']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  '6'
                                            'date'  '1999'
                                        'comments'  ''
                                           'genre'  'eid-metal'
                                             'bpm'  '101.513'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Jerusalem'
'TBPM' (BPM (beats per minute))                     '101.513'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal'
'TDOR' (Original release time)                      '1999'
'TDRC' (Recording time)                             '1999'
'TIT2' (Title/songname/content description)         'Jerusalem (pt. 4)'
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               'Sleep'
'TRCK' (Track number/Position in set)               '4/6'
'TXXX:Q-HAP'                                        '1'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['sludge', 'stoner rock', 'stoner metal', 'doom metal', 'stoner']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.65 dB'
'TXXX:replaygain_track_peak'                        '0.497880'

========================== row from database ==========================
                                              'id'  1278764
                                            'path'  /data/Music/Bulk/00dwimp/Sleep/Jerusalem/sleep-jerusalem(pt4).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  628
                                           'genre'  eid-metal
                                        'filesize'  15086820
                                           'mtime'  1620301613
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp sleep jerusalem(pt4) eid metal
                                      'tag_artist'  Sleep
                                     'tag_release'  Jerusalem
                                       'tag_title'  Jerusalem (pt. 4)
                                             'bpm'  101.513
                                    'search_title'  '4':4,5 'jerusalem':1 'pt':2,3
                                   'search_artist'  'sleep':1
                                  'search_release'  'jerusalem':1
                                     'search_rest'  '00dwimp':1 'eid':6 'jerusalem':3 'jerusalempt4':5 'metal':7 'pt4':4 'sleep':2
                                    'search_combo'  '00dwimp':8 '4':4A,5A 'eid':13 'jerusalem':1A,7C,10 'jerusalempt4':12 'metal':14 'pt':2A,3A 'pt4':11 'sleep':6B,9
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-1', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['sludge', 'stoner rock', 'stoner metal', 'doom metal', 'stoner']
                                        'tag_date'  1999
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620301612.7298882  (2021-05-06 13:46:52)
                             'size'  15086820