======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '298'
                                          'artist'  'Amanda Marshall'
                                     'text_people'  ''
                                         'release'  "My Best Friend's Wedding"
                                           'title'  "I'll Be Okay"
                                           'quals'  ("['Q-HAP-2', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['rock', 'singer songwriter', 'female vocalists', 'pop', 'canadian']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'ifs-songwriter'
                                             'bpm'  '137.106'
                                             'key'  '1B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     "My Best Friend's Wedding"
'TBPM' (BPM (beats per minute))                     '137.106'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter'
'TIT2' (Title/songname/content description)         "I'll Be Okay"
'TKEY' (Initial key)                                '1B'
'TPE1' (Lead performer(s)/Soloist(s))               'Amanda Marshall'
'TRCK' (Track number/Position in set)               '6'
'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'                                   ['rock', 'singer songwriter', 'female vocalists', 'pop', 'canadian']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.61 dB'
'TXXX:replaygain_track_peak'                        '0.417538'

========================== row from database ==========================
                                              'id'  1506808
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Amanda Marshall/MBZ;#Amanda Marshall;#My Best Friend_s Wedding;#06;#I_ll Be Okay.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  298
                                           'genre'  ifs-songwriter
                                        'filesize'  4783646
                                           'mtime'  1636916196
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos MBZ;#Amanda Marshall;#My Friend_s Wedding;#06;#I_ll ifs songwriter
                                      'tag_artist'  Amanda Marshall
                                     'tag_release'  My Best Friend's Wedding
                                       'tag_title'  I'll Be Okay
                                             'bpm'  137.106
                                    'search_title'  'be':4 'i':1 'ill':3 'll':2 'okay':5
                                   'search_artist'  'amanda':1 'marshall':2
                                  'search_release'  'best':2 'friend':3 'friends':5 'my':1 's':4 'wedding':6
                                     'search_rest'  '00singer':1 '06':15,19 'amanda':5,7 'eos':3 'friend':12 'i':16,20 'ifs':22 'll':17,21 'marshall':8,10 'mbz':4,6 'my':9,11 's':13 'songwriter':2 'wedding':14,18
                                    'search_combo'  '00singer':14 '06':28,32 'amanda':6B,18,20 'be':4A 'best':9C 'eos':16 'friend':10C,25 'friends':12C 'i':1A,29,33 'ifs':35 'ill':3A 'll':2A,30,34 'marshall':7B,21,23 'mbz':17,19 'my':8C,22,24 'okay':5A 's':11C,26 'songwriter':15 'wedding':13C,27,31
                                    'tag_tracknum'  6
                                      'num_images'  0
                                             'key'  1B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['rock', 'singer songwriter', 'female vocalists', 'pop', 'canadian']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636916196.1036518  (2021-11-14 19:56:36)
                             'size'  4783646