======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '111'
                                          'artist'  'D.I.'
                                     'text_people'  ''
                                         'release'  'Punk Rock Xmas'
                                           'title'  'Mr. Grinch'
                                           'quals'  ("['Q-HAP-1', 'Q-UNU-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-3', "
 "'q-play-2', 'Q-JZFKS-1', 'Q-OLDST-3', 'q-chart-2', 'q-drums-3', 'q-other-4', "
 "'q-piano-1', 'q-vocals-2', 'Q-HHRNBTT-1', 'q-mixbeat-2', 'Q-LOCALNESS-1']")
                                      'lastfmtags'  "['punk', 'hardcore punk', 'punk rock', 'hardcore', 'american']"
                                     'discogstags'  "['punk', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '17'
                                      'tracktotal'  ''
                                            'date'  '1979'
                                        'comments'  ''
                                           'genre'  'eid-unsorted'
                                             'bpm'  '115.195'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Punk Rock Xmas'
'TBPM' (BPM (beats per minute))                     '115.195'
'TCON' (Content type, a.k.a. Genre)                 'eid-unsorted'
'TDRC' (Recording time)                             '1979'
'TIT2' (Title/songname/content description)         'Mr. Grinch'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'D.I.'
'TRCK' (Track number/Position in set)               '17'
'TXXX:Q-HAP'                                        '1'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['punk', 'rock']
'TXXX:lastfmtags'                                   ['punk', 'hardcore punk', 'punk rock', 'hardcore', 'american']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.94 dB'
'TXXX:replaygain_track_peak'                        '0.732909'

========================== row from database ==========================
                                              'id'  142642
                                            'path'  /data/Music/Bulk/00dwimp/Unsorted/D.I__Punk Rock Xmas__cifsd4e0.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  111
                                           'genre'  eid-unsorted
                                        'filesize'  1781294
                                           'mtime'  1620521058
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp Unsorted D.I__Punk Xmas__cifsd4e0 eid unsorted
                                      'tag_artist'  D.I.
                                     'tag_release'  Punk Rock Xmas
                                       'tag_title'  Mr. Grinch
                                             'bpm'  115.195
                                    'search_title'  'grinch':3 'mr':1,2
                                   'search_artist'  'd':1 'di':3 'i':2
                                  'search_release'  'punk':1 'rock':2 'xmas':3
                                     'search_rest'  '00dwimp':1 'cifsd4e0':9 'd':3 'di':6 'eid':10 'i':4 'punk':5,7 'unsorted':2 'xmas':8
                                    'search_combo'  '00dwimp':10 'cifsd4e0':18 'd':4B,12 'di':6B,15 'eid':19 'grinch':3A 'i':5B,13 'mr':1A,2A 'punk':7C,14,16 'rock':8C 'unsorted':11 'xmas':9C,17
                                    'tag_tracknum'  17
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-4', 'Q-HAP-1', 'q-bass-3', 'q-grit-3']
                                      'lastfmtags'  ['punk', 'hardcore punk', 'punk rock', 'hardcore', 'american']
                                        'tag_date'  1979
                                     'discogstags'  ['punk', 'rock']

============================== file details ==============================
                                           'mtime'  1620521057.6253479  (2021-05-09 02:44:17)
                             'size'  1781294