======================== unified (from filesystem) ========================
                                         'bitrate'  '234.592'
                                        'duration'  '15'
                                          'artist'  'Anal Cunt'
                                     'text_people'  ''
                                         'release'  'Top 40 Hits'
                                           'title'  'Newest H.C. Song #4'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-2', 'q-busy-4', 'q-grit-4', 'q-play-2', "
 "'q-chart-3', 'q-drums-2', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['grindcore', 'noise', 'metal', 'noisegrind', 'comedy', 'noisecore']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '33'
                                      'tracktotal'  ''
                                            'date'  '1994'
                                        'comments'  ''
                                           'genre'  'eid-metal-noise'
                                             'bpm'  '145.476'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Top 40 Hits'
'TBPM' (BPM (beats per minute))                     '145.476'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal-noise'
'TDRC' (Recording time)                             '1994'
'TIT2' (Title/songname/content description)         'Newest H.C. Song #4'
'TKEY' (Initial key)                                '6A'
'TLAN' (Language(s))                                'English'
'TPE1' (Lead performer(s)/Soloist(s))               'Anal Cunt'
'TRCK' (Track number/Position in set)               '33'
'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'                                   ['grindcore', 'noise', 'metal', 'noisegrind', 'comedy', 'noisecore']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '4'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '4'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.33 dB'
'TXXX:replaygain_track_peak'                        '0.517736'

========================== row from database ==========================
                                              'id'  1400558
                                            'path'  /data/Music/Bulk/00dwimp/00metal/Anal Cunt/Top 40 Hits/33-anal_cunt-newest_h.c._song_4-3hz.mp3
                                         'working'  None
                                         'bitrate'  234
                                    'duration_sec'  15
                                           'genre'  eid-metal-noise
                                        'filesize'  449185
                                           'mtime'  1620310842
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00metal 33 anal_cunt newest_h.c._song_4 3hz eid metal noise
                                      'tag_artist'  Anal Cunt
                                     'tag_release'  Top 40 Hits
                                       'tag_title'  Newest H.C. Song #4
                                             'bpm'  145.476
                                    'search_title'  '4':6,7 'c':3 'h':2 'hc':4 'newest':1 'song':5
                                   'search_artist'  'anal':1 'cunt':2
                                  'search_release'  '40':2 'hits':3 'top':1
                                     'search_rest'  '00dwimp':1 '00metal':2 '33':3 '3hz':15 '4':10,14 'anal':4 'c':8 'cunt':5 'eid':16 'h':7 'hc':12 'metal':17 'newest':6,11 'noise':18 'song':9,13
                                    'search_combo'  '00dwimp':13 '00metal':14 '33':15 '3hz':27 '4':6A,7A,22,26 '40':11C 'anal':8B,16 'c':3A,20 'cunt':9B,17 'eid':28 'h':2A,19 'hc':4A,24 'hits':12C 'metal':29 'newest':1A,18,23 'noise':30 'song':5A,21,25 'top':10C
                                    'tag_tracknum'  33
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-4', 'q-drums-2', 'q-syn-2', 'q-chart-3', 'q-other-4', 'Q-HAP-1', 'q-bass-2', 'q-grit-4']
                                      'lastfmtags'  ['grindcore', 'noise', 'metal', 'noisegrind', 'comedy', 'noisecore']
                                        'tag_date'  1994
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620310841.513908  (2021-05-06 16:20:41)
                             'size'  449185