======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '265'
                                          'artist'  '[hit]like'
                                     'text_people'  ''
                                         'release'  'The Gift of Despair for My Friends'
                                           'title'  'Sui-ci-de'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-2', 'q-other-4', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'electronic-experimental-collage'
                                             'bpm'  '142.608'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'The Gift of Despair for My Friends'
'TBPM' (BPM (beats per minute))                     '142.608'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental-collage'
'TDRC' (Recording time)                             '2004'
'TIT2' (Title/songname/content description)         'Sui-ci-de'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               '[hit]like'
'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:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+9.33 dB'
'TXXX:replaygain_track_peak'                        '0.915914'

========================== row from database ==========================
                                              'id'  1389431
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/The Gift of Despair for My Friends(2004)/11 Sui-ci-de.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  265
                                           'genre'  electronic-experimental-collage
                                        'filesize'  5310464
                                           'mtime'  1636920737
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm Friends(2004) 11 electronic experimental collage
                                      'tag_artist'  [hit]like
                                     'tag_release'  The Gift of Despair for My Friends
                                       'tag_title'  Sui-ci-de
                                             'bpm'  142.608
                                    'search_title'  'ci':2 'de':3 'sui':1 'suicide':4
                                   'search_artist'  'hit':1 'hitlike':3 'like':2
                                  'search_release'  'despair':4 'for':5 'friends':7 'gift':2 'my':6 'of':3 'the':1
                                     'search_rest'  '2004':2 'collage':6 'electronic':4 'experimental':5 'friends':1 'friends2004':3
                                    'search_combo'  '2004':16 'ci':2A 'collage':20 'de':3A 'despair':11C 'electronic':18 'experimental':19 'for':12C 'friends':14C,15 'friends2004':17 'gift':9C 'hit':5B 'hitlike':7B 'like':6B 'my':13C 'of':10C 'sui':1A 'suicide':4A 'the':8C
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', '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-2', 'q-syn-2', 'q-chart-1', 'q-other-4', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  2004
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636920736.8360982  (2021-11-14 21:12:16)
                             'size'  5310464