======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '211'
                                          'artist'  'Steve Miller Band'
                                     'text_people'  ''
                                         'release'  'Steve Miller Band - Disc 3'
                                           'title'  'Sweet Maree'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-4', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['80s', 'rock', 'psychedelic', '70s', 'classic rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  ''
                                            'date'  '1994'
                                        'comments'  ''
                                           'genre'  'rock-cppex-classic;rock-cppex;rock-cppex-psychedelic'
                                             'bpm'  '140.044'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Steve Miller Band - Disc 3'
'TBPM' (BPM (beats per minute))                     '140.044'
'TCON' (Content type, a.k.a. Genre)                 ['rock-cppex-classic', 'rock-cppex', 'rock-cppex-psychedelic']
'TDRC' (Recording time)                             '1994'
'TIT2' (Title/songname/content description)         'Sweet Maree'
'TKEY' (Initial key)                                '10B'
'TPE1' (Lead performer(s)/Soloist(s))               'Steve Miller Band'
'TRCK' (Track number/Position in set)               '12'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['80s', 'rock', 'psychedelic', '70s', 'classic rock']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+3.56 dB'
'TXXX:replaygain_track_peak'                        '0.718193'

========================== row from database ==========================
                                              'id'  1411556
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/Steve Miller Band/Steve Miller Band-Fly Like An Eagle1976/11 - Sweet Maree.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  211
                                           'genre'  rock-cppex-classic;rock-cppex;rock-cppex-psychedelic
                                        'filesize'  3391407
                                           'mtime'  1636301321
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy Fly Like An Eagle1976 11 rock cppex classic;rock cppex;rock cppex psychedelic
                                      'tag_artist'  Steve Miller Band
                                     'tag_release'  Steve Miller Band - Disc 3
                                       'tag_title'  Sweet Maree
                                             'bpm'  140.044
                                    'search_title'  'maree':2 'sweet':1
                                   'search_artist'  'band':3 'miller':2 'steve':1
                                  'search_release'  '3':5 'band':3 'disc':4 'miller':2 'steve':1
                                     'search_rest'  'an':4 'classic':8,10 'classicprogpsy':1 'cppex':7,12,14 'eagle1976':5 'fly':2 'like':3 'psychedelic':16 'rock':6,9,11,13,15
                                    'search_combo'  '3':10C 'an':14 'band':5B,8C 'classic':18,20 'classicprogpsy':11 'cppex':17,22,24 'disc':9C 'eagle1976':15 'fly':12 'like':13 'maree':2A 'miller':4B,7C 'psychedelic':26 'rock':16,19,21,23,25 'steve':3B,6C 'sweet':1A
                                    'tag_tracknum'  12
                                      'num_images'  0
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-4', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['80s', 'rock', 'psychedelic', '70s', 'classic rock']
                                        'tag_date'  1994
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636301320.823928  (2021-11-07 17:08:40)
                             'size'  3391407