======================== unified (from filesystem) ========================
                                         'bitrate'  '173.628'
                                        'duration'  '126'
                                          'artist'  'Charlie Brown'
                                     'text_people'  ''
                                         'release'  "Sex, Drugs, Rock 'n' Roll, God & The Devil"
                                           'title'  'Boogie Woogie Mama'
                                           'quals'  ("['Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-OLDST-1', "
 "'q-syn-1', 'q-bass-1', 'q-busy-2', 'q-grit-1', 'q-play-3', 'q-chart-2', "
 "'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-1']")
                                      'lastfmtags'  "['england', 'punk', 'british', 'r&b', 'ska', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '25'
                                      'tracktotal'  ''
                                            'date'  '1990'
                                        'comments'  ''
                                           'genre'  'prerock-unsorted'
                                             'bpm'  '108.7'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     "Sex, Drugs, Rock 'n' Roll, God & The Devil"
'TBPM' (BPM (beats per minute))                     '108.7'
'TCON' (Content type, a.k.a. Genre)                 'prerock-unsorted'
'TDRC' (Recording time)                             '1990'
'TIT2' (Title/songname/content description)         'Boogie Woogie Mama'
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'Charlie Brown'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '25'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['england', 'punk', 'british', 'r&b', 'ska', 'rock']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.93 dB'
'TXXX:replaygain_track_peak'                        '0.430480'

========================== row from database ==========================
                                              'id'  1531561
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/va - Sex, Drugs, Rock _n_ Roll, God & The Devil/25 - charlie brown - boogie woogie mama.mp3
                                         'working'  None
                                         'bitrate'  173
                                    'duration_sec'  126
                                           'genre'  prerock-unsorted
                                        'filesize'  2748416
                                           'mtime'  1620387978
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm va _n_ 25 charlie brown boogie woogie mama prerock unsorted
                                      'tag_artist'  Charlie Brown
                                     'tag_release'  Sex, Drugs, Rock 'n' Roll, God & The Devil
                                       'tag_title'  Boogie Woogie Mama
                                             'bpm'  108.7
                                    'search_title'  'boogie':1 'mama':3 'woogie':2
                                   'search_artist'  'brown':2 'charlie':1
                                  'search_release'  'devil':12 'drugs':3,4 'god':10 'n':6,7 'rock':5 'roll':8,9 'sex':1,2 'the':11
                                     'search_rest'  '25':3 'boogie':6 'brown':5 'charlie':4 'mama':8 'n':2 'prerock':9 'unsorted':10 'va':1 'woogie':7
                                    'search_combo'  '25':20 'boogie':1A,23 'brown':5B,22 'charlie':4B,21 'devil':17C 'drugs':8C,9C 'god':15C 'mama':3A,25 'n':11C,12C,19 'prerock':26 'rock':10C 'roll':13C,14C 'sex':6C,7C 'the':16C 'unsorted':27 'va':18 'woogie':2A,24
                                    'tag_tracknum'  25
                                      'num_images'  0
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['england', 'punk', 'british', 'r&b', 'ska', 'rock']
                                        'tag_date'  1990
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620387978.1909451  (2021-05-07 13:46:18)
                             'size'  2748416