======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '163'
                                          'artist'  'Eddie Fisher'
                                     'text_people'  ''
                                         'release'  'All Time Greatest Hits, Vol On'
                                           'title'  'Anema e Core (With All my Hear'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-2', 'q-busy-3', 'q-grit-1', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['oldies', 'jazz', '50s', 'easy listening']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1954'
                                        'comments'  ''
                                           'genre'  'prerock-vocal-easy'
                                             'bpm'  '140.335'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         '54-094 POS 14'
'COMM:ID3v1 Comment:XXX'                            '54-094 POS 14'
'TALB' (Album/Movie/Show title)                     'All Time Greatest Hits, Vol On'
'TBPM' (BPM (beats per minute))                     '140.335'
'TCON' (Content type, a.k.a. Genre)                 'prerock-vocal-easy'
'TDRC' (Recording time)                             '1954'
'TIT2' (Title/songname/content description)         'Anema e Core (With All my Hear'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Eddie Fisher'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['oldies', 'jazz', '50s', 'easy listening']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'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'                        '+0.35 dB'
'TXXX:replaygain_track_peak'                        '0.416455'

========================== row from database ==========================
                                              'id'  1429147
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1954/54-094 - Eddie Fisher - Anema e Core (With All My Heart And Soul).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  163
                                           'genre'  prerock-vocal-easy
                                        'filesize'  6558740
                                           'mtime'  1621625767
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1954 54 094 My Heart And Soul) prerock vocal easy
                                      'tag_artist'  Eddie Fisher
                                     'tag_release'  All Time Greatest Hits, Vol On
                                       'tag_title'  Anema e Core (With All my Hear
                                             'bpm'  140.335
                                    'search_title'  'all':6 'anema':1 'core':3 'e':2 'hear':8 'my':7 'with':4,5
                                   'search_artist'  'eddie':1 'fisher':2
                                  'search_release'  'all':1 'greatest':3 'hits':4,5 'on':7 'time':2 'vol':6
                                     'search_rest'  '00oldiepop':5 '1954':6 '54':7 'and':10 'country':4 'easy':15 'exotica':2 'heart':9 'jazz':1 'my':8 'oldies':3 'prerock':13 'soul':11,12 'vocal':14
                                    'search_combo'  '00oldiepop':22 '1954':23 '54':24 'all':6A,11C 'and':27 'anema':1A 'core':3A 'country':21 'e':2A 'easy':32 'eddie':9B 'exotica':19 'fisher':10B 'greatest':13C 'hear':8A 'heart':26 'hits':14C,15C 'jazz':18 'my':7A,25 'oldies':20 'on':17C 'prerock':30 'soul':28,29 'time':12C 'vocal':31 'vol':16C 'with':4A,5A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  6A
                                           '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-1', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-2', 'Q-HAP-3', 'q-bass-2', 'q-grit-1']
                                      'lastfmtags'  ['oldies', 'jazz', '50s', 'easy listening']
                                        'tag_date'  1954
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621625767.4551547  (2021-05-21 21:36:07)
                             'size'  6558740