======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '216'
                                          'artist'  'Tommy James'
                                     'text_people'  ''
                                         'release'  "Travelin'"
                                           'title'  '03 - Candy Maker'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-2', "
 "'q-syn-1', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-1']")
                                      'lastfmtags'  "['oldies', 'classic rock', '60s', 'pop', 'tommy james']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  ''
                                            'date'  '1970'
                                        'comments'  ''
                                           'genre'  'set-th-candy'
                                             'bpm'  '92.687'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     "Travelin'"
'TBPM' (BPM (beats per minute))                     '92.687'
'TCON' (Content type, a.k.a. Genre)                 'set-th-candy'
'TDRC' (Recording time)                             '1970'
'TIT2' (Title/songname/content description)         '03 - Candy Maker'
'TKEY' (Initial key)                                '8A'
'TLEN' (Length)                                     '216111'
'TPE1' (Lead performer(s)/Soloist(s))               'Tommy James'
'TRCK' (Track number/Position in set)               '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['oldies', 'classic rock', '60s', 'pop', 'tommy james']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.13 dB'
'TXXX:replaygain_track_peak'                        '0.796482'

========================== row from database ==========================
                                              'id'  736058
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/sweets/Tommy James - Candy Maker.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  216
                                           'genre'  set-th-candy
                                        'filesize'  5188712
                                           'mtime'  1620343133
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country sweets set th candy
                                      'tag_artist'  Tommy James
                                     'tag_release'  Travelin'
                                       'tag_title'  03 - Candy Maker
                                             'bpm'  92.687
                                    'search_title'  'candy':1 'maker':2
                                   'search_artist'  'james':2 'tommy':1
                                  'search_release'  'travelin':1,2
                                     'search_rest'  'candy':8 'country':4 'exotica':2 'jazz':1 'oldies':3 'set':6 'sweets':5 'th':7
                                    'search_combo'  'candy':1A,14 'country':10 'exotica':8 'james':4B 'jazz':7 'maker':2A 'oldies':9 'set':12 'sweets':11 'th':13 'tommy':3B 'travelin':5C,6C
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-1', 'q-chart-2', 'q-other-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['oldies', 'classic rock', '60s', 'pop', 'tommy james']
                                        'tag_date'  1970
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620343132.99214  (2021-05-07 01:18:52)
                             'size'  5188712