======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '328'
                                          'artist'  'Muse'
                                     'text_people'  'MUSE'
                                         'release'  'Drones'
                                           'title'  'Psycho'
                                           'quals'  ("['Q-JZFKS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', "
 "'q-syn-2', 'q-bass-4', '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-2']")
                                      'lastfmtags'  "['alternative rock', 'alternative', 'epic', 'rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  '12'
                                            'date'  '2015'
                                        'comments'  ''
                                           'genre'  'rock-cppex;rock-indie'
                                             'bpm'  '125.1'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Drones'
'TBPM' (BPM (beats per minute))                     '125.1'
'TCON' (Content type, a.k.a. Genre)                 ['rock-cppex', 'rock-indie']
'TDRC' (Recording time)                             '2015'
'TENC' (Encoded by)                                 'CAPAJEBO 1914'
'TIT2' (Title/songname/content description)         'Psycho'
'TKEY' (Initial key)                                '7A'
'TOPE' (Original artist(s)/performer(s))            'MUSE'
'TPE1' (Lead performer(s)/Soloist(s))               'Muse'
'TPE2' (Band/orchestra/accompaniment)               'Muse'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'WEB'
'TRCK' (Track number/Position in set)               '3/12'
'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'                                   ['alternative rock', 'alternative', 'epic', 'rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'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'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.42 dB'
'TXXX:replaygain_track_peak'                        '0.317843'

========================== row from database ==========================
                                              'id'  1381882
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/03. Psycho.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  328
                                           'genre'  rock-cppex;rock-indie
                                        'filesize'  13183225
                                           'mtime'  1652397925
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] 03. rock cppex;rock indie
                                      'tag_artist'  Muse
                                     'tag_release'  Drones
                                       'tag_title'  Psycho
                                             'bpm'  125.1
                                    'search_title'  'psycho':1
                                   'search_artist'  'muse':1
                                  'search_release'  'drones':1
                                     'search_rest'  '00poprockelectronic':1 '03':7,8 'cppex':10,12 'files':5,6 'indie':14 'loose':3,4 'rock':9,11,13 'unsorted':2
                                    'search_combo'  '00poprockelectronic':4 '03':10,11 'cppex':13,15 'drones':3C 'files':8,9 'indie':17 'loose':6,7 'muse':2B 'psycho':1A 'rock':12,14,16 'unsorted':5
                                    'tag_tracknum'  3
                                      'num_images'  1
                                             'key'  7A
                                           'quals'  ['Q-JZFKS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', 'q-syn-2', 'q-bass-4', '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-2']
                                      'lastfmtags'  ['alternative rock', 'alternative', 'epic', 'rock']
                                        'tag_date'  2015
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1652397925.4904299  (2022-05-13 01:25:25)
                             'size'  13183225