======================== unified (from filesystem) ========================
                                         'bitrate'  '233.839'
                                        'duration'  '196'
                                          'artist'  'The Pigeon Detectives'
                                     'text_people'  ''
                                         'release'  'Wait for Me'
                                           'title'  'Take Her Back'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['indie', 'alternative', 'britpop', 'british', 'indie rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  '12'
                                            'date'  '2007'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-rock'
                                             'bpm'  '109.7'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Wait for Me'
'TBPM' (BPM (beats per minute))                     '109.7'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie-rock'
'TDRC' (Recording time)                             '2007'
'TIT2' (Title/songname/content description)         'Take Her Back'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Pigeon Detectives'
'TRCK' (Track number/Position in set)               '10/12'
'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', 'alternative', 'britpop', 'british', 'indie rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'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'                        '-0.86 dB'
'TXXX:replaygain_track_peak'                        '0.276304'

========================== row from database ==========================
                                              'id'  1371440
                                            'path'  /data/Music/Bulk/00poprockelectronic-poprock-indierock/The Pigeon Detectives/Wait for Me/10 Take Her Back.mp3
                                         'working'  None
                                         'bitrate'  233
                                    'duration_sec'  196
                                           'genre'  ifs-songwriter-indie-rock
                                        'filesize'  5737880
                                           'mtime'  1638554870
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic poprock indierock 10 ifs songwriter indie rock
                                      'tag_artist'  The Pigeon Detectives
                                     'tag_release'  Wait for Me
                                       'tag_title'  Take Her Back
                                             'bpm'  109.7
                                    'search_title'  'back':3 'her':2 'take':1
                                   'search_artist'  'detectives':3 'pigeon':2 'the':1
                                  'search_release'  'for':2 'me':3 'wait':1
                                     'search_rest'  '00poprockelectronic':1 'ifs':4 'indie':6 'indierock':3 'poprock':2 'rock':7 'songwriter':5
                                    'search_combo'  '00poprockelectronic':10 'back':3A 'detectives':6B 'for':8C 'her':2A 'ifs':13 'indie':15 'indierock':12 'me':9C 'pigeon':5B 'poprock':11 'rock':16 'songwriter':14 'take':1A 'the':4B 'wait':7C
                                    'tag_tracknum'  10
                                      'num_images'  0
                                             'key'  8A
                                           '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-3', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'alternative', 'britpop', 'british', 'indie rock']
                                        'tag_date'  2007
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1638554870.1065512  (2021-12-03 19:07:50)
                             'size'  5737880