======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '504'
                                          'artist'  'Dire Straits'
                                     'text_people'  ''
                                         'release'  'Private Investigations: The Best of Dire Straits and Mark Knopfler'
                                           'title'  'Money For Nothing'
                                           'quals'  ("['Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-3', "
 "'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-2']")
                                      'lastfmtags'  "['80s', 'guitar', 'blues', 'rock', 'classic rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  ''
                                            'date'  '1985'
                                        'comments'  ''
                                           'genre'  'rock-cppex'
                                             'bpm'  '134.288'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Private Investigations: The Best of Dire Straits and Mark Knopfler'
'TBPM' (BPM (beats per minute))                     '134.288'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex'
'TDRC' (Recording time)                             '1985'
'TIT2' (Title/songname/content description)         'Money For Nothing'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Dire Straits'
'TPOS' (Part of a set)                              '1'
'TRCK' (Track number/Position in set)               '8'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['80s', 'guitar', 'blues', 'rock', 'classic rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.20 dB'
'TXXX:replaygain_track_peak'                        '0.398118'

========================== row from database ==========================
                                              'id'  1320461
                                            'path'  /data/Music/Bulk/00poprockelectronic/1985 complete/212-D Dire Straits - Money For Nothing (album version).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  504
                                           'genre'  rock-cppex
                                        'filesize'  20291456
                                           'mtime'  1620736993
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 1985 complete 212 (album version) rock cppex
                                      'tag_artist'  Dire Straits
                                     'tag_release'  Private Investigations: The Best of Dire Straits and Mark Knopfler
                                       'tag_title'  Money For Nothing
                                             'bpm'  134.288
                                    'search_title'  'for':2 'money':1 'nothing':3
                                   'search_artist'  'dire':1 'straits':2
                                  'search_release'  'and':9 'best':5 'dire':7 'investigations':2,3 'knopfler':11 'mark':10 'of':6 'private':1 'straits':8 'the':4
                                     'search_rest'  '00poprockelectronic':1 '1985':2 '212':4 'album':5,6 'complete':3 'cppex':10 'rock':9 'version':7,8
                                    'search_combo'  '00poprockelectronic':17 '1985':18 '212':20 'album':21,22 'and':14C 'best':10C 'complete':19 'cppex':26 'dire':4B,12C 'for':2A 'investigations':7C,8C 'knopfler':16C 'mark':15C 'money':1A 'nothing':3A 'of':11C 'private':6C 'rock':25 'straits':5B,13C 'the':9C 'version':23,24
                                    'tag_tracknum'  8
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-3', 'q-other-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['80s', 'guitar', 'blues', 'rock', 'classic rock']
                                        'tag_date'  1985
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620736993.1447484  (2021-05-11 14:43:13)
                             'size'  20291456