======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '211'
                                          'artist'  'Tom Waits'
                                     'text_people'  ''
                                         'release'  'Beautiful Maladies: The Island'
                                           'title'  'Strange Weather (live)'
                                           'quals'  ("['Q-JZFKS-2', 'Q-HAP-2', 'Q-LOCALNESS-2', 'Q-UNU-2', 'Q-OLDST-3', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['blues', 'rock', 'alternative', 'experimental', 'singer songwriter']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '15'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-eos'
                                             'bpm'  '99.960'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Beautiful Maladies: The Island'
'TBPM' (BPM (beats per minute))                     '99.960'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-eos'
'TIT2' (Title/songname/content description)         'Strange Weather (live)'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Tom Waits'
'TRCK' (Track number/Position in set)               '15'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['blues', 'rock', 'alternative', 'experimental', 'singer songwriter']
'TXXX:q-bass'                                       '4'
'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'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.38 dB'
'TXXX:replaygain_track_peak'                        '1.007630'

========================== row from database ==========================
                                              'id'  1371034
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/00songwriter-eos/Tom Waits/MBZ;#Tom Waits;#Beautiful Maladies The Island Years;#15;#Strange Weather (live).mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  211
                                           'genre'  ifs-songwriter-eos
                                        'filesize'  3390028
                                           'mtime'  1639508256
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos 00songwriter eos MBZ;#Tom Waits;#Beautiful Years;#15;#Strange ifs songwriter eos
                                      'tag_artist'  Tom Waits
                                     'tag_release'  Beautiful Maladies: The Island
                                       'tag_title'  Strange Weather (live)
                                             'bpm'  99.96
                                    'search_title'  'live':3,4 'strange':1 'weather':2
                                   'search_artist'  'tom':1 'waits':2
                                  'search_release'  'beautiful':1 'island':5 'maladies':2,3 'the':4
                                     'search_rest'  '00singer':1 '00songwriter':4 '15':14,17 'beautiful':10,12 'eos':3 'ifs':19 'mbz':5,7 'songwriter':2 'strange':15,18 'tom':6,8 'waits':9,11 'years':13,16
                                    'search_combo'  '00singer':12 '00songwriter':15 '15':25,28 'beautiful':7C,21,23 'eos':14 'ifs':30 'island':11C 'live':3A,4A 'maladies':8C,9C 'mbz':16,18 'songwriter':13 'strange':1A,26,29 'the':10C 'tom':5B,17,19 'waits':6B,20,22 'weather':2A 'years':24,27
                                    'tag_tracknum'  15
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-4', 'q-other-3', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['blues', 'rock', 'alternative', 'experimental', 'singer songwriter']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1639508256.3144257  (2021-12-14 19:57:36)
                             'size'  3390028