======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '191'
                                          'artist'  'Ben Folds'
                                     'text_people'  ''
                                         'release'  "Rockin' the Suburbs"
                                           'title'  'Zak and Sara'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'Q-PLAY-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', "
 "'q-chart-3', 'q-drums-3', 'q-other-2', 'q-vocals-3', 'q-mixbeat-1', "
 "'Q-PIANO-2']")
                                      'lastfmtags'  "['piano rock', 'piano', 'cover', 'covers', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-rock'
                                             'bpm'  '91.805'
                                             'key'  '7B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     "Rockin' the Suburbs"
'TBPM' (BPM (beats per minute))                     '91.805'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie-rock'
'TDRC' (Recording time)                             '2001'
'TIT2' (Title/songname/content description)         'Zak and Sara'
'TKEY' (Initial key)                                '7B'
'TPE1' (Lead performer(s)/Soloist(s))               'Ben Folds'
'TRCK' (Track number/Position in set)               '2'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['piano rock', 'piano', 'cover', 'covers', 'rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.48 dB'
'TXXX:replaygain_track_peak'                        '0.428255'

========================== row from database ==========================
                                              'id'  1514364
                                            'path'  /data/Music/Bulk/00poprockelectronic-poprock-indierock/Ben Folds/MBZ;#Ben Folds;#Rockin_ the Suburbs;#02;#Zak and Sara.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  191
                                           'genre'  ifs-songwriter-indie-rock
                                        'filesize'  3065348
                                           'mtime'  1637330285
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic poprock indierock MBZ;#Ben Folds;#Rockin_ Suburbs;#02;#Zak ifs songwriter indie rock
                                      'tag_artist'  Ben Folds
                                     'tag_release'  Rockin' the Suburbs
                                       'tag_title'  Zak and Sara
                                             'bpm'  91.805
                                    'search_title'  'and':2 'sara':3 'zak':1
                                   'search_artist'  'ben':1 'folds':2
                                  'search_release'  'rockin':1,2 'suburbs':4 'the':3
                                     'search_rest'  '00poprockelectronic':1 '02':13,16 'ben':5,7 'folds':8,10 'ifs':18 'indie':20 'indierock':3 'mbz':4,6 'poprock':2 'rock':21 'rockin':9,11 'songwriter':19 'suburbs':12,15 'zak':14,17
                                    'search_combo'  '00poprockelectronic':10 '02':22,25 'and':2A 'ben':4B,14,16 'folds':5B,17,19 'ifs':27 'indie':29 'indierock':12 'mbz':13,15 'poprock':11 'rock':30 'rockin':6C,7C,18,20 'sara':3A 'songwriter':28 'suburbs':9C,21,24 'the':8C 'zak':1A,23,26
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  7B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-mixbeat-1', 'Q-PIANO-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-3', 'q-other-2', 'Q-HAP-2', 'Q-PLAY-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['piano rock', 'piano', 'cover', 'covers', 'rock']
                                        'tag_date'  2001
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1637330284.8793623  (2021-11-19 14:58:04)
                             'size'  3065348