======================== unified (from filesystem) ========================
                                         'bitrate'  '198.088'
                                        'duration'  '219'
                                          'artist'  'Jason Mraz'
                                     'text_people'  ''
                                         'release'  'Tonight Not Again/Live at Eagl'
                                           'title'  "The Remedy (I Won't Worry)"
                                           'quals'  ("['Q-HAP-2', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', "
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 "'q-chart-4', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
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                                      'lastfmtags'  "['acoustic', 'alternative', 'rock', 'pop', 'singer songwriter']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '13'
                                      'tracktotal'  ''
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter;set-pl-billboard'
                                             'bpm'  '141.314'
                                             'key'  '6B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Tonight Not Again/Live at Eagl'
'TBPM' (BPM (beats per minute))                     '141.314'
'TCON' (Content type, a.k.a. Genre)                 ['ifs-songwriter', 'set-pl-billboard']
'TDRC' (Recording time)                             '2004'
'TIT2' (Title/songname/content description)         "The Remedy (I Won't Worry)"
'TKEY' (Initial key)                                '6B'
'TPE1' (Lead performer(s)/Soloist(s))               'Jason Mraz'
'TRCK' (Track number/Position in set)               '13'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['acoustic', 'alternative', 'rock', 'pop', 'singer songwriter']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-1.60 dB'
'TXXX:replaygain_track_peak'                        '0.388158'

========================== row from database ==========================
                                              'id'  1498451
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Jason Mraz/Jason Mraz - Tonight,_Not_Again/13-The_Remedy_(I_Won_t_Worry).mp3
                                         'working'  None
                                         'bitrate'  198
                                    'duration_sec'  219
                                           'genre'  ifs-songwriter;set-pl-billboard
                                        'filesize'  5437952
                                           'mtime'  1638554940
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos Tonight,_Not_Again 13 The_Remedy_(I_Won_t_Worry) ifs songwriter;set pl billboard
                                      'tag_artist'  Jason Mraz
                                     'tag_release'  Tonight Not Again/Live at Eagl
                                       'tag_title'  The Remedy (I Won't Worry)
                                             'bpm'  141.314
                                    'search_title'  'i':3,4 'remedy':2 't':6 'the':1 'won':5 'wont':7 'worry':8,9
                                   'search_artist'  'jason':1 'mraz':2
                                  'search_release'  'again':3 'againlive':5 'at':6 'eagl':7 'live':4 'not':2 'tonight':1
                                     'search_rest'  '00singer':1 'again':6,9 'billboard':28 'eos':3 'i':12,18 'ifs':22 'not':5,8 'pl':27 'remedy':11,17 'set':24,26 'songwriter':2,23,25 't':14,20 'the':10,16 'tonight':4,7 'won':13,19 'worry':15,21
                                    'search_combo'  '00singer':19 'again':14C,24,27 'againlive':16C 'at':17C 'billboard':46 'eagl':18C 'eos':21 'i':3A,4A,30,36 'ifs':40 'jason':10B 'live':15C 'mraz':11B 'not':13C,23,26 'pl':45 'remedy':2A,29,35 'set':42,44 'songwriter':20,41,43 't':6A,32,38 'the':1A,28,34 'tonight':12C,22,25 'won':5A,31,37 'wont':7A 'worry':8A,9A,33,39
                                    'tag_tracknum'  13
                                      'num_images'  0
                                             'key'  6B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-4', 'q-other-2', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['acoustic', 'alternative', 'rock', 'pop', 'singer songwriter']
                                        'tag_date'  2004
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1638554939.9845614  (2021-12-03 19:08:59)
                             'size'  5437952