======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '183'
                                          'artist'  'Eels'
                                     'text_people'  ''
                                         'release'  'End Times'
                                           'title'  'Paradise Blues'
                                           'quals'  ("['Q-HAP-2', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-4', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['indie', 'alternative', 'singer songwriter', 'indie rock', 'rock']"
                                     'discogstags'  "['rock', 'acoustic', 'indie rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  ''
                                            'date'  '2009'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-rock'
                                             'bpm'  '145.163'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'End Times'
'TBPM' (BPM (beats per minute))                     '145.163'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie-rock'
'TDRC' (Recording time)                             '2009'
'TIT2' (Title/songname/content description)         'Paradise Blues'
'TKEY' (Initial key)                                '10B'
'TPE1' (Lead performer(s)/Soloist(s))               'Eels'
'TRCK' (Track number/Position in set)               '8'
'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', 'acoustic', 'indie rock']
'TXXX:lastfmtags'                                   ['indie', 'alternative', 'singer songwriter', 'indie rock', 'rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.39 dB'
'TXXX:replaygain_track_peak'                        '0.287897'

========================== row from database ==========================
                                              'id'  1355048
                                            'path'  /data/Music/Bulk/00poprockelectronic/Eels/Eels - End Of Time [2009-MP3][Bubanee]/08 paradise blues.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  183
                                           'genre'  ifs-songwriter-indie-rock
                                        'filesize'  4414238
                                           'mtime'  1621697392
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Of [2009 MP3][Bubanee] 08 paradise blues ifs songwriter indie rock
                                      'tag_artist'  Eels
                                     'tag_release'  End Times
                                       'tag_title'  Paradise Blues
                                             'bpm'  145.163
                                    'search_title'  'blues':2 'paradise':1
                                   'search_artist'  'eels':1
                                  'search_release'  'end':1 'times':2
                                     'search_rest'  '00poprockelectronic':1 '2009':3,4 'blues':9 'bubanee':6 'ifs':10 'indie':12 'mp3':5 'mp3bubanee':7 'of':2 'paradise':8 'rock':13 'songwriter':11
                                    'search_combo'  '00poprockelectronic':6 '2009':8,9 'blues':2A,14 'bubanee':11 'eels':3B 'end':4C 'ifs':15 'indie':17 'mp3':10 'mp3bubanee':12 'of':7 'paradise':1A,13 'rock':18 'songwriter':16 'times':5C
                                    'tag_tracknum'  8
                                      'num_images'  0
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-4', 'q-other-3', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'alternative', 'singer songwriter', 'indie rock', 'rock']
                                        'tag_date'  2009
                                     'discogstags'  ['rock', 'acoustic', 'indie rock']

============================== file details ==============================
                                           'mtime'  1621697392.3382397  (2021-05-22 17:29:52)
                             'size'  4414238