======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '249'
                                          'artist'  'My Passion, your Pain'
                                     'text_people'  ''
                                         'release'  'My Passion, your Pain'
                                           'title'  'Dwelling in Disdain'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-4', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '02'
                                      'tracktotal'  ''
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'eid-metal-death;eid-metal-melodic'
                                             'bpm'  '108'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'My Passion, your Pain'
'TBPM' (BPM (beats per minute))                     '108'
'TCON' (Content type, a.k.a. Genre)                 ['eid-metal-death', 'eid-metal-melodic']
'TDRC' (Recording time)                             '2003'
'TIT2' (Title/songname/content description)         'Dwelling in Disdain'
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               'Callenish Circle'
'TPE2' (Band/orchestra/accompaniment)               'My Passion, your Pain'
'TRCK' (Track number/Position in set)               '02'
'TXXX:Q-HAP'                                        '1'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '4'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-2.93 dB'
'TXXX:replaygain_track_peak'                        '0.467000'

========================== row from database ==========================
                                              'id'  1257794
                                            'path'  /data/Music/Bulk/00dwimp/Callenish Circle/My Passion, your Pain/Callenish Circle - 2003 - My Passion, your Pain - 02 - Dwelling in Disdain.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  249
                                           'genre'  eid-metal-death;eid-metal-melodic
                                        'filesize'  6003323
                                           'mtime'  1620302102
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp Callenish Circle Callenish Circle 2003 02 eid metal death;eid metal melodic
                                      'tag_artist'  My Passion, your Pain
                                     'tag_release'  My Passion, your Pain
                                       'tag_title'  Dwelling in Disdain
                                             'bpm'  108.0
                                    'search_title'  'disdain':3 'dwelling':1 'in':2
                                   'search_artist'  'my':1 'pain':5 'passion':2,3 'your':4
                                  'search_release'  'my':1 'pain':5 'passion':2,3 'your':4
                                     'search_rest'  '00dwimp':1 '2003':4 'callenish':2 'circle':3 'death':7,9 'eid':5,8,10 'melodic':11 'metal':6
                                    'search_combo'  '00dwimp':14 '2003':17 'callenish':15 'circle':16 'death':20,22 'disdain':3A 'dwelling':1A 'eid':18,21,23 'in':2A 'melodic':24 'metal':19 'my':4B,9C 'pain':8B,13C 'passion':5B,6B,10C,11C 'your':7B,12C
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-1', 'q-bass-3', 'q-grit-4']
                                      'lastfmtags'  []
                                        'tag_date'  2003
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620302101.7523212  (2021-05-06 13:55:01)
                             'size'  6003323