======================== unified (from filesystem) ========================
                                         'bitrate'  '160.761'
                                        'duration'  '246'
                                          'artist'  'Chris Isaak'
                                     'text_people'  ''
                                         'release'  'Wicked Game'
                                           'title'  "Nothing's Changed"
                                           'quals'  ("['Q-HAP-2', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['80s', 'blues', 'singer songwriter', 'pop', 'rock']"
                                     'discogstags'  "['rock', 'pop', 'blues rock', 'pop rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  ''
                                            'date'  '1991'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-rock'
                                             'bpm'  '146.000'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Wicked Game'
'TBPM' (BPM (beats per minute))                     '146.000'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-rock'
'TDRC' (Recording time)                             '1991'
'TIT2' (Title/songname/content description)         "Nothing's Changed"
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Chris Isaak'
'TRCK' (Track number/Position in set)               '9'
'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', 'pop', 'blues rock', 'pop rock']
'TXXX:lastfmtags'                                   ['80s', 'blues', 'singer songwriter', 'pop', 'rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.36 dB'
'TXXX:replaygain_track_peak'                        '0.720270'

========================== row from database ==========================
                                              'id'  1514783
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Chris Isaak/Wicked game/Chris Isaak - Nothing_s Changed - 09.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  246
                                           'genre'  ifs-songwriter-rock
                                        'filesize'  4947742
                                           'mtime'  1637950127
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos game Nothing_s 09 ifs songwriter rock
                                      'tag_artist'  Chris Isaak
                                     'tag_release'  Wicked Game
                                       'tag_title'  Nothing's Changed
                                             'bpm'  146.0
                                    'search_title'  'changed':4 'nothing':1 'nothings':3 's':2
                                   'search_artist'  'chris':1 'isaak':2
                                  'search_release'  'game':2 'wicked':1
                                     'search_rest'  '00singer':1 'eos':3 'game':4 'ifs':7 'nothing':5 'rock':8 's':6 'songwriter':2
                                    'search_combo'  '00singer':9 'changed':4A 'chris':5B 'eos':11 'game':8C,12 'ifs':15 'isaak':6B 'nothing':1A,13 'nothings':3A 'rock':16 's':2A,14 'songwriter':10 'wicked':7C
                                    'tag_tracknum'  9
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', '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'  ['80s', 'blues', 'singer songwriter', 'pop', 'rock']
                                        'tag_date'  1991
                                     'discogstags'  ['rock', 'pop', 'blues rock', 'pop rock']

============================== file details ==============================
                                           'mtime'  1637950126.9401665  (2021-11-26 19:08:46)
                             'size'  4947742