======================== unified (from filesystem) ========================
                                         'bitrate'  '232.714'
                                        'duration'  '1054'
                                          'artist'  'sunn o)))'
                                     'text_people'  ''
                                         'release'  'Monoliths & Dimensions'
                                           'title'  'Aghartha'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-2', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['dark ambient', 'ambient', 'drone', 'doom metal', 'drone doom']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '01'
                                      'tracktotal'  '04'
                                            'date'  '2009'
                                        'comments'  ''
                                           'genre'  'electronic-ambient-dark'
                                             'bpm'  '129.6'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Monoliths & Dimensions'
'TBPM' (BPM (beats per minute))                     '129.6'
'TCON' (Content type, a.k.a. Genre)                 'electronic-ambient-dark'
'TDRC' (Recording time)                             '2009'
'TIT2' (Title/songname/content description)         'Aghartha'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'sunn o)))'
'TRCK' (Track number/Position in set)               '01/04'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['dark ambient', 'ambient', 'drone', 'doom metal', 'drone doom']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-2.68 dB'
'TXXX:replaygain_track_peak'                        '0.503819'

========================== row from database ==========================
                                              'id'  1388403
                                            'path'  /data/Music/Bulk/00poprockelectronic/00ambient/sunn o))) - 2009 - monoliths & dimensions/01 - aghartha.mp3
                                         'working'  None
                                         'bitrate'  232
                                    'duration_sec'  1054
                                           'genre'  electronic-ambient-dark
                                        'filesize'  30672049
                                           'mtime'  1636910262
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00ambient 2009 monoliths dimensions 01 aghartha electronic ambient dark
                                      'tag_artist'  sunn o)))
                                     'tag_release'  Monoliths & Dimensions
                                       'tag_title'  Aghartha
                                             'bpm'  129.6
                                    'search_title'  'aghartha':1
                                   'search_artist'  'o':2,3 'sunn':1
                                  'search_release'  'dimensions':2 'monoliths':1
                                     'search_rest'  '00ambient':2 '00poprockelectronic':1 '2009':3 'aghartha':6 'ambient':8 'dark':9 'dimensions':5 'electronic':7 'monoliths':4
                                    'search_combo'  '00ambient':8 '00poprockelectronic':7 '2009':9 'aghartha':1A,12 'ambient':14 'dark':15 'dimensions':6C,11 'electronic':13 'monoliths':5C,10 'o':3B,4B 'sunn':2B
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-3', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['dark ambient', 'ambient', 'drone', 'doom metal', 'drone doom']
                                        'tag_date'  2009
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636910262.1841452  (2021-11-14 18:17:42)
                             'size'  30672049