======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '180'
                                          'artist'  'Heinz Funk Electric Combo'
                                     'text_people'  ''
                                         'release'  'Shirley & Spinoza'
                                           'title'  'Mystery'
                                           'quals'  ("['Q-HAP-3', 'Q-OLDST-2', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['electronic', 'synth']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '09'
                                      'tracktotal'  ''
                                            'date'  '1975'
                                        'comments'  ''
                                           'genre'  'set-pl-shirleyspinoza;set-pl-mor'
                                             'bpm'  '88.399'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Shirley & Spinoza'
'TBPM' (BPM (beats per minute))                     '88.399'
'TCON' (Content type, a.k.a. Genre)                 ['set-pl-shirleyspinoza', 'set-pl-shirleyspinoza', 'set-pl-mor']
'TDRC' (Recording time)                             '1975'
'TENC' (Encoded by)                                 'Tag&Rename 3.0.6'
'TIT2' (Title/songname/content description)         'Mystery'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Heinz Funk Electric Combo'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '09'
'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'                                   ['electronic', 'synth']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'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'                                     '3'
'TXXX:replaygain_track_gain'                        '+9.71 dB'
'TXXX:replaygain_track_peak'                        '0.126077'
'USLT::eng'                                         'I MOOG DI'

========================== row from database ==========================
                                              'id'  949229
                                            'path'  /data/Music/Bulk/sns/heinz funk electric combo - 09 - mystery.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  180
                                           'genre'  set-pl-shirleyspinoza;set-pl-mor
                                        'filesize'  7246282
                                           'mtime'  1678553404
                                   'redo_metaread'  0
                                        'rest_str'   sns heinz funk electric combo 09 mystery set pl shirleyspinoza;set pl mor
                                      'tag_artist'  Heinz Funk Electric Combo
                                     'tag_release'  Shirley & Spinoza
                                       'tag_title'  Mystery
                                             'bpm'  88.399
                                    'search_title'  'mystery':1
                                   'search_artist'  'combo':4 'electric':3 'funk':2 'heinz':1
                                  'search_release'  'shirley':1 'spinoza':2
                                     'search_rest'  'combo':5 'electric':4 'funk':3 'heinz':2 'mor':13 'mystery':6 'pl':8 'set':7,10,12 'shirleyspinoza':9,11 'sns':1
                                    'search_combo'  'combo':5B,12 'electric':4B,11 'funk':3B,10 'heinz':2B,9 'mor':20 'mystery':1A,13 'pl':15 'set':14,17,19 'shirley':6C 'shirleyspinoza':16,18 'sns':8 'spinoza':7C
                                    'tag_tracknum'  9
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HAP-3', 'Q-OLDST-2', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-1', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-1']
                                      'lastfmtags'  ['electronic', 'synth']
                                        'tag_date'  1975
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1678553403.750585  (2023-03-11 17:50:03)
                             'size'  7246282