======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '197'
                                          'artist'  'Three Dog Night'
                                     'text_people'  ''
                                         'release'  '100 Oldies Deel 34'
                                           'title'  'Mama Told Me Not To Come'
                                           'quals'  ("['Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-UNU-1', 'Q-OLDST-2', "
 "'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-3', "
 "'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-2']")
                                      'lastfmtags'  "['oldies', 'southern rock', '70s', 'rock', 'classic rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '76'
                                      'tracktotal'  '100'
                                            'date'  '1975'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-unsorted;rock-cppex'
                                             'bpm'  '120.974'
                                             'key'  '4B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     '100 Oldies Deel 34'
'TBPM' (BPM (beats per minute))                     '120.974'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-generic or radio-unsorted', 'rock-cppex']
'TDRC' (Recording time)                             '1975'
'TENC' (Encoded by)                                 'Mister X'
'TIT2' (Title/songname/content description)         'Mama Told Me Not To Come'
'TKEY' (Initial key)                                '4B'
'TPE1' (Lead performer(s)/Soloist(s))               'Three Dog Night'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '76/100'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['oldies', 'southern rock', '70s', 'rock', 'classic rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '2'
'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'                                     '3'
'TXXX:replaygain_track_gain'                        '+17.45 dB'
'TXXX:replaygain_track_peak'                        '0.062086'

========================== row from database ==========================
                                              'id'  1348890
                                            'path'  /data/Music/Bulk/00poprockelectronic/100 oldies deel 35/76 Three Dog Night - Mama Told Me Not To Come.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  197
                                           'genre'  electronic-generic or radio-unsorted;rock-cppex
                                        'filesize'  8398696
                                           'mtime'  1620736975
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic oldies deel 35 76 electronic generic or radio unsorted;rock cppex
                                      'tag_artist'  Three Dog Night
                                     'tag_release'  100 Oldies Deel 34
                                       'tag_title'  Mama Told Me Not To Come
                                             'bpm'  120.974
                                    'search_title'  'come':6 'mama':1 'me':3 'not':4 'to':5 'told':2
                                   'search_artist'  'dog':2 'night':3 'three':1
                                  'search_release'  '100':1 '34':4 'deel':3 'oldies':2
                                     'search_rest'  '00poprockelectronic':1 '35':4 '76':5 'cppex':14 'deel':3 'electronic':6 'generic':7 'oldies':2 'or':8 'radio':9 'rock':11,13 'unsorted':10,12
                                    'search_combo'  '00poprockelectronic':14 '100':10C '34':13C '35':17 '76':18 'come':6A 'cppex':27 'deel':12C,16 'dog':8B 'electronic':19 'generic':20 'mama':1A 'me':3A 'night':9B 'not':4A 'oldies':11C,15 'or':21 'radio':22 'rock':24,26 'three':7B 'to':5A 'told':2A 'unsorted':23,25
                                    'tag_tracknum'  76
                                      'num_images'  1
                                             'key'  4B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-3', 'q-other-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['oldies', 'southern rock', '70s', 'rock', 'classic rock']
                                        'tag_date'  1975
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620736974.7567737  (2021-05-11 14:42:54)
                             'size'  8398696