======================== unified (from filesystem) ========================
                                         'bitrate'  '230.557'
                                        'duration'  '165'
                                          'artist'  'The Thermals'
                                     'text_people'  ''
                                         'release'  '?'
                                           'title'  '11-the thermals-keep time-nuhs'
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 "'q-chart-3', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['indie', 'lo fi', 'punk', 'indie rock', 'rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-rock'
                                             'bpm'  '129.979'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

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'TBPM' (BPM (beats per minute))                     '129.979'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie-rock'
'TIT2' (Title/songname/content description)         '11-the thermals-keep time-nuhs'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Thermals'
'TXXX:Mp3gain_minmax'                               '142,187'
'TXXX:Mp3gain_undo'                                 '+007,+007,N'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['indie', 'lo fi', 'punk', 'indie rock', 'rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-1.80 dB'
'TXXX:replaygain_track_peak'                        '0.323111'

========================== row from database ==========================
                                              'id'  1260770
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/The Thermals/Fuckin A/11-the_thermals-keep_time-nuhs.mp3
                                         'working'  None
                                         'bitrate'  230
                                    'duration_sec'  165
                                           'genre'  ifs-songwriter-indie-rock
                                        'filesize'  4777226
                                           'mtime'  1638554836
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos Fuckin A the_thermals keep_time ifs songwriter indie rock
                                      'tag_artist'  The Thermals
                                     'tag_release'  ?
                                       'tag_title'  11-the thermals-keep time-nuhs
                                             'bpm'  129.979
                                    'search_title'  '11':1 '11the':3 'keep':5 'nuhs':8 'the':2 'thermals':4 'thermalskeep':6 'time':7 'timenuhs':9
                                   'search_artist'  'the':1 'thermals':2
                                  'search_release'  
                                     'search_rest'  '00singer':1 'a':5 'eos':3 'fuckin':4 'ifs':10 'indie':11 'keep':8 'rock':12 'songwriter':2 'the':6 'thermals':7 'time':9
                                    'search_combo'  '00singer':12 '11':1A '11the':3A 'a':16 'eos':14 'fuckin':15 'ifs':21 'indie':22 'keep':5A,19 'nuhs':8A 'rock':23 'songwriter':13 'the':2A,10B,17 'thermals':4A,11B,18 'thermalskeep':6A 'time':7A,20 'timenuhs':9A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'lo fi', 'punk', 'indie rock', 'rock']
                                        'tag_date'  
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1638554835.994764  (2021-12-03 19:07:15)
                             'size'  4777226