======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '254'
                                          'artist'  'Sleater-Kinney'
                                     'text_people'  ''
                                         'release'  'One Beat'
                                           'title'  'Sympathy'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', "
 "'Q-JZFKS-1', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['indie', 'riot grrrl', 'female vocalists', 'indie rock', 'rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  ''
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-rock'
                                             'bpm'  '95.754'
                                             'key'  '11A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'One Beat'
'TBPM' (BPM (beats per minute))                     '95.754'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie-rock'
'TDRC' (Recording time)                             '2002'
'TIT2' (Title/songname/content description)         'Sympathy'
'TKEY' (Initial key)                                '11A'
'TPE1' (Lead performer(s)/Soloist(s))               'Sleater-Kinney'
'TRCK' (Track number/Position in set)               '12'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['indie', 'riot grrrl', 'female vocalists', 'indie rock', 'rock']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'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'                        '+0.51 dB'
'TXXX:replaygain_track_peak'                        '0.376032'

========================== row from database ==========================
                                              'id'  1270482
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Sleater-Kinney/MBZ;#Sleater-Kinney;#One Beat;#12;#Sympathy.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  254
                                           'genre'  ifs-songwriter-indie-rock
                                        'filesize'  4079120
                                           'mtime'  1621697182
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos MBZ;#Sleater Kinney;#One Beat;#12;#Sympathy ifs songwriter indie rock
                                      'tag_artist'  Sleater-Kinney
                                     'tag_release'  One Beat
                                       'tag_title'  Sympathy
                                             'bpm'  95.754
                                    'search_title'  'sympathy':1
                                   'search_artist'  'kinney':2 'sleater':1 'sleaterkinney':3
                                  'search_release'  'beat':2 'one':1
                                     'search_rest'  '00singer':1 '12':13,16 'beat':12,15 'eos':3 'ifs':18 'indie':19 'kinney':8,10 'mbz':4,6 'one':9,11 'rock':20 'sleater':5,7 'songwriter':2 'sympathy':14,17
                                    'search_combo'  '00singer':7 '12':19,22 'beat':6C,18,21 'eos':9 'ifs':24 'indie':25 'kinney':3B,14,16 'mbz':10,12 'one':5C,15,17 'rock':26 'sleater':2B,11,13 'sleaterkinney':4B 'songwriter':8 'sympathy':1A,20,23
                                    'tag_tracknum'  12
                                      'num_images'  0
                                             'key'  11A
                                           '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-3', 'q-other-3', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'riot grrrl', 'female vocalists', 'indie rock', 'rock']
                                        'tag_date'  2002
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1621697182.4698503  (2021-05-22 17:26:22)
                             'size'  4079120