======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '167'
                                          'artist'  'Eddie Carroll'
                                     'text_people'  ''
                                         'release'  'Parlophone F  811'
                                           'title'  'Love Is Good For Anything That Ails You (casani Club) (v - Gladys Keep)'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-JZFKS-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-2', 'q-busy-2', 'q-grit-1', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['twist', 'easy listening']"
                                     'discogstags'  "['pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1937'
                                        'comments'  ''
                                           'genre'  'prerock-swing'
                                             'bpm'  '95.438'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Parlophone F  811'
'TBPM' (BPM (beats per minute))                     '95.438'
'TCON' (Content type, a.k.a. Genre)                 'prerock-swing'
'TDRC' (Recording time)                             '1937'
'TIT2' (Title/songname/content description)         'Love Is Good For Anything That Ails You (casani Club) (v - Gladys Keep)'
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               'Eddie Carroll'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'pop'
'TXXX:lastfmtags'                                   ['twist', 'easy listening']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+1.64 dB'
'TXXX:replaygain_track_peak'                        '0.474301'

========================== row from database ==========================
                                              'id'  1432643
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1937/Eddie Carroll - Love Is Good For Anything That Ails You (Casani Club) (v - Gladys Keep) 4-6-1937.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  167
                                           'genre'  prerock-swing
                                        'filesize'  3348079
                                           'mtime'  1620561080
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1937 (Casani 4 6 1937 prerock swing
                                      'tag_artist'  Eddie Carroll
                                     'tag_release'  Parlophone F  811
                                       'tag_title'  Love Is Good For Anything That Ails You (casani Club) (v - Gladys Keep)
                                             'bpm'  95.438
                                    'search_title'  'ails':7 'anything':5 'casani':9,10 'club':11,12 'for':4 'gladys':15 'good':3 'is':2 'keep':16,17 'love':1 'that':6 'v':13,14 'you':8
                                   'search_artist'  'carroll':2 'eddie':1
                                  'search_release'  '811':3 'f':2 'parlophone':1
                                     'search_rest'  '00oldiepop':5 '1937':6 '4':9 '6':10 'casani':7,8 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':11 'swing':12
                                    'search_combo'  '00oldiepop':27 '1937':28 '4':31 '6':32 '811':22C 'ails':7A 'anything':5A 'carroll':19B 'casani':9A,10A,29,30 'club':11A,12A 'country':26 'eddie':18B 'exotica':24 'f':21C 'for':4A 'gladys':15A 'good':3A 'is':2A 'jazz':23 'keep':16A,17A 'love':1A 'oldies':25 'parlophone':20C 'prerock':33 'swing':34 'that':6A 'v':13A,14A 'you':8A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-2', 'q-grit-1']
                                      'lastfmtags'  ['twist', 'easy listening']
                                        'tag_date'  1937
                                     'discogstags'  ['pop']

============================== file details ==============================
                                           'mtime'  1620561079.6951861  (2021-05-09 13:51:19)
                             'size'  3348079