======================== unified (from filesystem) ========================
                                         'bitrate'  '186.852'
                                        'duration'  '405'
                                          'artist'  'Tom Waits'
                                     'text_people'  ''
                                         'release'  'Nighthawks at the Diner'
                                           'title'  'Emotional Weather Report'
                                           'quals'  ("['Q-JZFKS-2', 'Q-HAP-2', 'Q-LOCALNESS-2', 'Q-UNU-2', 'Q-OLDST-3', "
 "'Q-HHRNBTT-1', 'Q-PLAY-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', "
 "'q-chart-3', 'q-drums-1', 'q-other-3', 'q-vocals-4', 'q-mixbeat-1', "
 "'Q-PIANO-2']")
                                      'lastfmtags'  "['blues', 'rock', 'alternative', 'experimental', 'singer songwriter']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  '1998'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-eos'
                                             'bpm'  '110.242'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Nighthawks at the Diner'
'TBPM' (BPM (beats per minute))                     '110.242'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-eos'
'TDRC' (Recording time)                             '1998'
'TIT2' (Title/songname/content description)         'Emotional Weather Report'
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'Tom Waits'
'TRCK' (Track number/Position in set)               '2'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['blues', 'rock', 'alternative', 'experimental', 'singer songwriter']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.71 dB'
'TXXX:replaygain_track_peak'                        '0.642812'

========================== row from database ==========================
                                              'id'  1377182
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/00songwriter-eos/Tom Waits/1975 - nighthawks at the diner/MBZ;#Tom Waits;#Nighthawks at the Diner;#02;#Emotional Weather Report.mp3
                                         'working'  None
                                         'bitrate'  186
                                    'duration_sec'  405
                                           'genre'  ifs-songwriter-eos
                                        'filesize'  9478995
                                           'mtime'  1639508240
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos 00songwriter eos 1975 nighthawks diner MBZ;#Tom Waits;#Nighthawks Diner;#02;#Emotional ifs songwriter eos
                                      'tag_artist'  Tom Waits
                                     'tag_release'  Nighthawks at the Diner
                                       'tag_title'  Emotional Weather Report
                                             'bpm'  110.242
                                    'search_title'  'emotional':1 'report':3 'weather':2
                                   'search_artist'  'tom':1 'waits':2
                                  'search_release'  'at':2 'diner':4 'nighthawks':1 'the':3
                                     'search_rest'  '00singer':1 '00songwriter':4 '02':17,20 '1975':5 'diner':7,16,19 'emotional':18,21 'eos':3 'ifs':22 'mbz':8,10 'nighthawks':6,13,15 'songwriter':2 'tom':9,11 'waits':12,14
                                    'search_combo'  '00singer':10 '00songwriter':13 '02':26,29 '1975':14 'at':7C 'diner':9C,16,25,28 'emotional':1A,27,30 'eos':12 'ifs':31 'mbz':17,19 'nighthawks':6C,15,22,24 'report':3A 'songwriter':11 'the':8C 'tom':4B,18,20 'waits':5B,21,23 'weather':2A
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-2', 'q-mixbeat-1', 'Q-PIANO-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-2', 'Q-PLAY-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['blues', 'rock', 'alternative', 'experimental', 'singer songwriter']
                                        'tag_date'  1998
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1639508239.8442466  (2021-12-14 19:57:19)
                             'size'  9478995