======================== unified (from filesystem) ========================
                                         'bitrate'  '140.124'
                                        'duration'  '150'
                                          'artist'  'Wendy Carlos'
                                     'text_people'  ''
                                         'release'  'Secrets of Synthesis'
                                           'title'  'Ensemble Performance Via Click-Tracks'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-4', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['soundtrack', 'electronic', 'experimental', 'classical', 'moog']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  ''
                                            'date'  '1987'
                                        'comments'  ''
                                           'genre'  'mi-earlysynth-moog'
                                             'bpm'  '129.8'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Secrets of Synthesis'
'TBPM' (BPM (beats per minute))                     '129.8'
'TCON' (Content type, a.k.a. Genre)                 'mi-earlysynth-moog'
'TDRC' (Recording time)                             '1987'
'TENC' (Encoded by)                                 'Nyquist Freak'
'TIT2' (Title/songname/content description)         'Ensemble Performance Via Click-Tracks'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Wendy Carlos'
'TRCK' (Track number/Position in set)               '9'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['soundtrack', 'electronic', 'experimental', 'classical', 'moog']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '4'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+1.23 dB'
'TXXX:replaygain_track_peak'                        '0.570572'

========================== row from database ==========================
                                              'id'  973592
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Wendy Carlos/Wendy Carlos - Secrets of Synthesis - 09 - Ensemble Performance Via Click-Tracks.mp3
                                         'working'  None
                                         'bitrate'  140
                                    'duration_sec'  150
                                           'genre'  mi-earlysynth-moog
                                        'filesize'  2641194
                                           'mtime'  1621627413
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm 09 mi earlysynth moog
                                      'tag_artist'  Wendy Carlos
                                     'tag_release'  Secrets of Synthesis
                                       'tag_title'  Ensemble Performance Via Click-Tracks
                                             'bpm'  129.8
                                    'search_title'  'click':4 'clicktracks':6 'ensemble':1 'performance':2 'tracks':5 'via':3
                                   'search_artist'  'carlos':2 'wendy':1
                                  'search_release'  'of':2 'secrets':1 'synthesis':3
                                     'search_rest'  'earlysynth':2 'mi':1 'moog':3
                                    'search_combo'  'carlos':8B 'click':4A 'clicktracks':6A 'earlysynth':13 'ensemble':1A 'mi':12 'moog':14 'of':10C 'performance':2A 'secrets':9C 'synthesis':11C 'tracks':5A 'via':3A 'wendy':7B
                                    'tag_tracknum'  9
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', '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-1', 'q-syn-4', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['soundtrack', 'electronic', 'experimental', 'classical', 'moog']
                                        'tag_date'  1987
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621627412.7752337  (2021-05-21 22:03:32)
                             'size'  2641194