======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '580'
                                          'artist'  'Fuck Buttons'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Sweet Love for Planet Earth'
                                           'quals'  ("['Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-OLDST-3', "
 "'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-3', "
 "'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', 'q-mixbeat-3']")
                                      'lastfmtags'  "['post rock', 'noise', 'electronic', 'experimental', 'drone']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-dance'
                                             'bpm'  '116.722'
                                             'key'  '7B'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '116.722'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-dance'
'TDRC' (Recording time)                             '2008'
'TIT2' (Title/songname/content description)         'Sweet Love for Planet Earth'
'TKEY' (Initial key)                                '7B'
'TPE1' (Lead performer(s)/Soloist(s))               'Fuck Buttons'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['post rock', 'noise', 'electronic', 'experimental', 'drone']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.08 dB'
'TXXX:replaygain_track_peak'                        '0.370061'

========================== row from database ==========================
                                              'id'  1456667
                                            'path'  /data/Music/Bulk/00poprockelectronic-generic-dance-trapbeat/00mixable/Unsorted/fuck-buttons-sweet-love-for-planet-earth.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  580
                                           'genre'  electronic-generic or radio-dance
                                        'filesize'  18593819
                                           'mtime'  1620558245
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic generic dance trapbeat 00mixable Unsorted fuck buttons sweet love planet earth electronic generic radio dance
                                      'tag_artist'  Fuck Buttons
                                     'tag_release'  None
                                       'tag_title'  Sweet Love for Planet Earth
                                             'bpm'  116.722
                                    'search_title'  'earth':5 'for':3 'love':2 'planet':4 'sweet':1
                                   'search_artist'  'buttons':2 'fuck':1
                                  'search_release'  
                                     'search_rest'  '00mixable':5 '00poprockelectronic':1 'buttons':8 'dance':3 'earth':12 'electronic':13 'fuck':7 'generic':2 'love':10 'planet':11 'radio':14 'sweet':9 'trapbeat':4 'unsorted':6
                                    'search_combo'  '00mixable':12 '00poprockelectronic':8 'buttons':7B,15 'dance':10 'earth':5A,19 'electronic':20 'for':3A 'fuck':6B,14 'generic':9 'love':2A,17 'planet':4A,18 'radio':21 'sweet':1A,16 'trapbeat':11 'unsorted':13
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  7B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-3', 'q-chart-3', 'q-other-4', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['post rock', 'noise', 'electronic', 'experimental', 'drone']
                                        'tag_date'  2008
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620558244.574956  (2021-05-09 13:04:04)
                             'size'  18593819