======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '177'
                                          'artist'  'The Godz'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Lay in the Sun (Side B)'
                                           'quals'  ("['Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-OLDST-2', "
 "'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-1', "
 "'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-1']")
                                      'lastfmtags'  ("['psychedelic', 'experimental', 'garage rock', 'psychedelic rock', "
 "'proto-punk']")
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1966'
                                        'comments'  ''
                                           'genre'  'set-pl-you'
                                             'bpm'  '137.758'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '137.758'
'TCON' (Content type, a.k.a. Genre)                 'set-pl-you'
'TDRC' (Recording time)                             '1966'
'TIT2' (Title/songname/content description)         'Lay in the Sun (Side B)'
'TKEY' (Initial key)                                '12B'
'TPE1' (Lead performer(s)/Soloist(s))               'The Godz'
'TSSE' (Software/Hardware and settings used for encoding)  'Lavf56.25.101'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['psychedelic', 'experimental', 'garage rock', 'psychedelic rock', 'proto-punk']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+2.02 dB'
'TXXX:replaygain_track_peak'                        '0.558271'

========================== row from database ==========================
                                              'id'  770498
                                            'path'  /data/Music/Bulk/0playlists/0novelty themes/You/06 - Lay in the Sun (Side B of 1966 The Godz - Contact High with the Godz).mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  177
                                           'genre'  set-pl-you
                                        'filesize'  2838528
                                           'mtime'  1620356042
                                   'redo_metaread'  0
                                        'rest_str'   0playlists 0novelty themes You 06 of 1966 Contact High with Godz) set pl you
                                      'tag_artist'  The Godz
                                     'tag_release'  None
                                       'tag_title'  Lay in the Sun (Side B)
                                             'bpm'  137.758
                                    'search_title'  'b':7,8 'in':2 'lay':1 'side':5,6 'sun':4 'the':3
                                   'search_artist'  'godz':2 'the':1
                                  'search_release'  
                                     'search_rest'  '0novelty':2 '0playlists':1 '1966':6 'contact':7 'godz':10,11 'high':8 'of':5 'pl':13 'set':12 'themes':3 'with':9 'you':4
                                    'search_combo'  '0novelty':12 '0playlists':11 '1966':16 'b':7A,8A 'contact':17 'godz':10B,20,21 'high':18 'in':2A 'lay':1A 'of':15 'pl':23 'set':22 'side':5A,6A 'sun':4A 'the':3A,9B 'themes':13 'with':19 'you':14
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  12B
                                           '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-3', 'q-syn-2', 'q-chart-1', 'q-other-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['psychedelic', 'experimental', 'garage rock', 'psychedelic rock', 'proto-punk']
                                        'tag_date'  1966
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620356042.0506754  (2021-05-07 04:54:02)
                             'size'  2838528