======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '208'
                                          'artist'  'The Pointer Sisters'
                                     'text_people'  ''
                                         'release'  'Billboard Top Hits - 1979'
                                           'title'  'Fire'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-UNU-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['80s', 'female vocalists', 'soul', 'pop', 'disco']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  ''
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'funk or soul'
                                             'bpm'  '119.124'
                                             'key'  '3B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Billboard Top Hits - 1979'
'TBPM' (BPM (beats per minute))                     '119.124'
'TCON' (Content type, a.k.a. Genre)                 'funk or soul'
'TDRC' (Recording time)                             '2002'
'TIT2' (Title/songname/content description)         'Fire'
'TKEY' (Initial key)                                '3B'
'TPE1' (Lead performer(s)/Soloist(s))               'The Pointer Sisters'
'TRCK' (Track number/Position in set)               '8'
'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', 'female vocalists', 'soul', 'pop', 'disco']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.80 dB'
'TXXX:replaygain_track_peak'                        '0.528202'

========================== row from database ==========================
                                              'id'  1271767
                                            'path'  /data/Music/Bulk/00popandrock-swing-funk-soul/The Pointer Sisters - Pointer Sisters/MBZ;#Pointer Sisters;#Billboard Top Hits - 1979;#08;#Fire.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  208
                                           'genre'  funk or soul
                                        'filesize'  5011596
                                           'mtime'  1628357898
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock swing funk soul MBZ;#Pointer Sisters;#Billboard 1979;#08;#Fire funk or soul
                                      'tag_artist'  The Pointer Sisters
                                     'tag_release'  Billboard Top Hits - 1979
                                       'tag_title'  Fire
                                             'bpm'  119.124
                                    'search_title'  'fire':1
                                   'search_artist'  'pointer':2 'sisters':3 'the':1
                                  'search_release'  '1979':4 'billboard':1 'hits':3 'top':2
                                     'search_rest'  '08':13,16 '1979':12,15 'billboard':9,11 'fire':14,17 'funk':2 'mbz':4,6 'or':18 'pointer':5,7 'sisters':8,10 'soul':3 'swing':1
                                    'search_combo'  '08':21,24 '1979':8C,20,23 'billboard':5C,17,19 'fire':1A,22,25 'funk':10 'hits':7C 'mbz':12,14 'or':26 'pointer':3B,13,15 'sisters':4B,16,18 'soul':11 'swing':9 'the':2B 'top':6C
                                    'tag_tracknum'  8
                                      'num_images'  0
                                             'key'  3B
                                           '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-3', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['80s', 'female vocalists', 'soul', 'pop', 'disco']
                                        'tag_date'  2002
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1628357898.3398917  (2021-08-07 19:38:18)
                             'size'  5011596