======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '372'
                                          'artist'  'Kaputter Hamster'
                                     'text_people'  ''
                                         'release'  'Kaputter Hamster'
                                           'title'  'Quarters For The Night'
                                           'quals'  ("['Q-HAP-2', 'Q-OLDST-2', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['krautrock', 'progressive rock', 'psychedelic rock', 'psychedelic']"
                                     'discogstags'  ("['folk, world, & country', 'psychedelic rock', 'prog rock', 'experimental', "
 "'rock']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '06'
                                      'tracktotal'  ''
                                            'date'  '1974'
                                        'comments'  ''
                                           'genre'  'rock-cppex'
                                             'bpm'  '143.7'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Kaputter Hamster'
'TBPM' (BPM (beats per minute))                     '143.7'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex'
'TIT2' (Title/songname/content description)         'Quarters For The Night'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Kaputter Hamster'
'TPE2' (Band/orchestra/accompaniment)               'Kaputter Hamster'
'TRCK' (Track number/Position in set)               '06'
'TXXX:DATE'                                         '1974'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['folk, world, & country',
 'psychedelic rock',
 'prog rock',
 'experimental',
 'rock']
'TXXX:lastfmtags'                                   ['krautrock', 'progressive rock', 'psychedelic rock', 'psychedelic']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'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'                        '+0.91 dB'
'TXXX:replaygain_track_peak'                        '0.495983'

========================== row from database ==========================
                                              'id'  1416939
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/1974 - kaputter hamster/06 - quarters for the night.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  372
                                           'genre'  rock-cppex
                                        'filesize'  5959617
                                           'mtime'  1636921632
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy 1974 kaputter hamster 06 quarters for the night rock cppex
                                      'tag_artist'  Kaputter Hamster
                                     'tag_release'  Kaputter Hamster
                                       'tag_title'  Quarters For The Night
                                             'bpm'  143.7
                                    'search_title'  'for':2 'night':4 'quarters':1 'the':3
                                   'search_artist'  'hamster':2 'kaputter':1
                                  'search_release'  'hamster':2 'kaputter':1
                                     'search_rest'  '1974':2 'classicprogpsy':1 'cppex':10 'for':6 'hamster':4 'kaputter':3 'night':8 'quarters':5 'rock':9 'the':7
                                    'search_combo'  '1974':10 'classicprogpsy':9 'cppex':18 'for':2A,14 'hamster':6B,8C,12 'kaputter':5B,7C,11 'night':4A,16 'quarters':1A,13 'rock':17 'the':3A,15
                                    'tag_tracknum'  6
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-1', 'q-other-3', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['krautrock', 'progressive rock', 'psychedelic rock', 'psychedelic']
                                        'tag_date'  1974
                                     'discogstags'  ['folk, world, & country', 'psychedelic rock', 'prog rock', 'experimental', 'rock']

============================== file details ==============================
                                           'mtime'  1636921632.4422464  (2021-11-14 21:27:12)
                             'size'  5959617