======================== unified (from filesystem) ========================
                                         'bitrate'  '112.0'
                                        'duration'  '217'
                                          'artist'  "Manfred Mann's Earth Band"
                                     'text_people'  ''
                                         'release'  'Best Of Manfred Manns Earth Ba'
                                           'title'  "Davy's On The Road Again"
                                           'quals'  ("['Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-OLDST-2', "
 "'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-2']")
                                      'lastfmtags'  "['progressive', '70s', 'art rock', 'rock', 'progressive rock', 'classic rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  ''
                                            'date'  '1975'
                                        'comments'  ''
                                           'genre'  'rock-cppex'
                                             'bpm'  '132.531'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Best Of Manfred Manns Earth Ba'
'TBPM' (BPM (beats per minute))                     '132.531'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex'
'TDRC' (Recording time)                             '1975'
'TIT2' (Title/songname/content description)         "Davy's On The Road Again"
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               "Manfred Mann's Earth Band"
'TRCK' (Track number/Position in set)               '7'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['progressive', '70s', 'art rock', 'rock', 'progressive rock', 'classic rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.45 dB'
'TXXX:replaygain_track_peak'                        '0.727286'

========================== row from database ==========================
                                              'id'  1532332
                                            'path'  /data/Music/Bulk/00poprockelectronic/Manfred Mann_s Earth Band/Manfred Mann_s Earth Band__Best Of Manfred Manns Earth Band__07 - Davy_s On The Road Again.mp3
                                         'working'  None
                                         'bitrate'  112
                                    'duration_sec'  217
                                           'genre'  rock-cppex
                                        'filesize'  3040822
                                           'mtime'  1620737245
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Mann_s Mann_s Band__Best Band__07 Davy_s rock cppex
                                      'tag_artist'  Manfred Mann's Earth Band
                                     'tag_release'  Best Of Manfred Manns Earth Ba
                                       'tag_title'  Davy's On The Road Again
                                             'bpm'  132.531
                                    'search_title'  'again':7 'davy':1 'davys':3 'on':4 'road':6 's':2 'the':5
                                   'search_artist'  'band':6 'earth':5 'manfred':1 'mann':2 'manns':4 's':3
                                  'search_release'  'ba':6 'best':1 'earth':5 'manfred':3 'manns':4 'of':2
                                     'search_rest'  '00poprockelectronic':1 '07':7 'band':4,6 'best':5 'cppex':11 'davy':8 'mann':2 'rock':10 's':3,9
                                    'search_combo'  '00poprockelectronic':20 '07':26 'again':7A 'ba':19C 'band':13B,23,25 'best':14C,24 'cppex':30 'davy':1A,27 'davys':3A 'earth':12B,18C 'manfred':8B,16C 'mann':9B,21 'manns':11B,17C 'of':15C 'on':4A 'road':6A 'rock':29 's':2A,10B,22,28 'the':5A
                                    'tag_tracknum'  7
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', '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-3', 'q-syn-2', 'q-chart-2', 'q-other-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['progressive', '70s', 'art rock', 'rock', 'progressive rock', 'classic rock']
                                        'tag_date'  1975
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620737244.5875452  (2021-05-11 14:47:24)
                             'size'  3040822