======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '134'
                                          'artist'  'LaVern Baker & The Gliders'
                                     'text_people'  ''
                                         'release'  "The Rock 'N' Roll Era   1957"
                                           'title'  'Jim Dandy'
                                           'quals'  ("['Q-JZFKS-3', '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-2', 'q-chart-1', "
 "'q-drums-2', 'q-other-2', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-1']")
                                      'lastfmtags'  "['rhythm and blues', 'soul', 'blues', 'female vocalists', 'rock and roll']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '141'
                                      'tracktotal'  ''
                                            'date'  '1957'
                                        'comments'  ''
                                           'genre'  'prerock-unsorted'
                                             'bpm'  '84.526'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.OTHER (Other) b''
                                     
'TALB' (Album/Movie/Show title)                     "The Rock 'N' Roll Era   1957"
'TBPM' (BPM (beats per minute))                     '84.526'
'TCON' (Content type, a.k.a. Genre)                 'prerock-unsorted'
'TDRC' (Recording time)                             '1957'
'TIT2' (Title/songname/content description)         'Jim Dandy'
'TKEY' (Initial key)                                '4A'
'TLEN' (Length)                                     '134217'
'TPE1' (Lead performer(s)/Soloist(s))               'LaVern Baker & The Gliders'
'TRCK' (Track number/Position in set)               '141'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['rhythm and blues', 'soul', 'blues', 'female vocalists', 'rock and roll']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.43 dB'
'TXXX:replaygain_track_peak'                        '0.495689'

========================== row from database ==========================
                                              'id'  1439572
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1957/1957-141 - LaVern Baker & The Gliders - Jim Dandy.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  134
                                           'genre'  prerock-unsorted
                                        'filesize'  5370734
                                           'mtime'  1620387691
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 141 prerock unsorted
                                      'tag_artist'  LaVern Baker & The Gliders
                                     'tag_release'  The Rock 'N' Roll Era   1957
                                       'tag_title'  Jim Dandy
                                             'bpm'  84.526
                                    'search_title'  'dandy':2 'jim':1
                                   'search_artist'  'baker':2 'gliders':4 'la':5 'lavern':1 'the':3 'vern':6
                                  'search_release'  '1957':7 'era':6 'n':3,4 'rock':2 'roll':5 'the':1
                                     'search_rest'  '00oldiepop':5 '141':6 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':7 'unsorted':8
                                    'search_combo'  '00oldiepop':20 '141':21 '1957':15C 'baker':4B 'country':19 'dandy':2A 'era':14C 'exotica':17 'gliders':6B 'jazz':16 'jim':1A 'la':7B 'lavern':3B 'n':11C,12C 'oldies':18 'prerock':22 'rock':10C 'roll':13C 'the':5B,9C 'unsorted':23 'vern':8B
                                    'tag_tracknum'  141
                                      'num_images'  1
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-2', 'q-drums-2', 'q-syn-1', 'q-chart-1', 'q-other-2', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['rhythm and blues', 'soul', 'blues', 'female vocalists', 'rock and roll']
                                        'tag_date'  1957
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620387691.349337  (2021-05-07 13:41:31)
                             'size'  5370734