======================== unified (from filesystem) ========================
                                         'bitrate'  '138.201'
                                        'duration'  '242'
                                          'artist'  'Canned Heat'
                                     'text_people'  ''
                                         'release'  'Christmas Album'
                                           'title'  '01 Deck the Halls'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-3', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-4', 'q-busy-2', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['blues rock', 'blues', 'rock', '60s', 'classic rock']"
                                     'discogstags'  "['blues']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1965'
                                        'comments'  ''
                                           'genre'  'prerock-jb-blues;rock-pop-early-blues;rock-cppex'
                                             'bpm'  '109.5'
                                             'key'  '11B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Christmas Album'
'TBPM' (BPM (beats per minute))                     '109.5'
'TCON' (Content type, a.k.a. Genre)                 ['prerock-jb-blues', 'rock-pop-early-blues', 'rock-cppex']
'TDRC' (Recording time)                             '1965'
'TIT2' (Title/songname/content description)         '01 Deck the Halls'
'TKEY' (Initial key)                                '11B'
'TPE1' (Lead performer(s)/Soloist(s))               'Canned Heat'
'TPE2' (Band/orchestra/accompaniment)               'Canned Heat'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'blues'
'TXXX:lastfmtags'                                   ['blues rock', 'blues', 'rock', '60s', 'classic rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.73 dB'
'TXXX:replaygain_track_peak'                        '0.486218'

========================== row from database ==========================
                                              'id'  648999
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/music for maniacs/01. Deck the Halls.mp3
                                         'working'  None
                                         'bitrate'  138
                                    'duration_sec'  242
                                           'genre'  prerock-jb-blues;rock-pop-early-blues;rock-cppex
                                        'filesize'  4185680
                                           'mtime'  1635960178
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm music for maniacs 01. prerock jb blues;rock pop early blues;rock cppex
                                      'tag_artist'  Canned Heat
                                     'tag_release'  Christmas Album
                                       'tag_title'  01 Deck the Halls
                                             'bpm'  109.5
                                    'search_title'  'deck':1 'halls':3 'the':2
                                   'search_artist'  'canned':1 'heat':2
                                  'search_release'  'album':2 'christmas':1
                                     'search_rest'  '01':4,5 'blues':8,10 'cppex':14 'early':13 'for':2 'jb':7 'maniacs':3 'music':1 'pop':12 'prerock':6 'rock':9,11
                                    'search_combo'  '01':11,12 'album':7C 'blues':15,17 'canned':4B 'christmas':6C 'cppex':21 'deck':1A 'early':20 'for':9 'halls':3A 'heat':5B 'jb':14 'maniacs':10 'music':8 'pop':19 'prerock':13 'rock':16,18 'the':2A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  11B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-2', 'q-drums-4', 'q-syn-1', 'q-chart-1', 'q-other-3', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['blues rock', 'blues', 'rock', '60s', 'classic rock']
                                        'tag_date'  1965
                                     'discogstags'  ['blues']

============================== file details ==============================
                                           'mtime'  1635960177.6210034  (2021-11-03 18:22:57)
                             'size'  4185680