======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '331'
                                          'artist'  'John Coltrane And Johnny Hartman'
                                     'text_people'  ''
                                         'release'  'John Coltrane and Johnny Hartman'
                                           'title'  'Dedicated to You'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-2', 'Q-LOCALNESS-2', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['jazz', 'vocal jazz', 'saxophone', 'jazz vocal', 'classic jazz']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1963'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-newer-experimental or free'
                                             'bpm'  '141.611'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'John Coltrane and Johnny Hartman'
'TBPM' (BPM (beats per minute))                     '141.611'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-newer-experimental or free'
'TDRC' (Recording time)                             '1963'
'TFLT' (File type)                                  '/3'
'TIT2' (Title/songname/content description)         'Dedicated to You'
'TKEY' (Initial key)                                '5A'
'TMED' (Media type)                                 '(CD/DD)'
'TPE1' (Lead performer(s)/Soloist(s))               'John Coltrane And Johnny Hartman'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['jazz', 'vocal jazz', 'saxophone', 'jazz vocal', 'classic jazz']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.93 dB'
'TXXX:replaygain_track_peak'                        '0.692046'

========================== row from database ==========================
                                              'id'  1288370
                                            'path'  /data/Music/Bulk/00poprockelectronic/John Coltrane/Coltrane & Hartman [1963]/John Coltrane and Johnny Hartman - 02 - Dedicated to You.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  331
                                           'genre'  prerock-jb-jazz-newer-experimental or free
                                        'filesize'  6639511
                                           'mtime'  1620540869
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic & [1963] 02 prerock jb jazz newer experimental or free
                                      'tag_artist'  John Coltrane And Johnny Hartman
                                     'tag_release'  John Coltrane and Johnny Hartman
                                       'tag_title'  Dedicated to You
                                             'bpm'  141.611
                                    'search_title'  'dedicated':1 'to':2 'you':3
                                   'search_artist'  'and':3 'coltrane':2 'hartman':5 'john':1 'johnny':4
                                  'search_release'  'and':3 'coltrane':2 'hartman':5 'john':1 'johnny':4
                                     'search_rest'  '00poprockelectronic':1 '1963':2,3 'experimental':8 'free':10 'jazz':6 'jb':5 'newer':7 'or':9 'prerock':4
                                    'search_combo'  '00poprockelectronic':14 '1963':15,16 'and':6B,11C 'coltrane':5B,10C 'dedicated':1A 'experimental':21 'free':23 'hartman':8B,13C 'jazz':19 'jb':18 'john':4B,9C 'johnny':7B,12C 'newer':20 'or':22 'prerock':17 'to':2A 'you':3A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-4', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['jazz', 'vocal jazz', 'saxophone', 'jazz vocal', 'classic jazz']
                                        'tag_date'  1963
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620540869.2703085  (2021-05-09 08:14:29)
                             'size'  6639511