======================== unified (from filesystem) ========================
                                         'bitrate'  '203.786'
                                        'duration'  '236'
                                          'artist'  'Dixie Chicks'
                                     'text_people'  ''
                                         'release'  'Tribute to Tradition'
                                           'title'  'Stand by Your Man'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-OLDST-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['country', 'bluegrass', 'female vocalists', 'pop', 'folk']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '1999'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter'
                                             'bpm'  '116.924'
                                             'key'  '5B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Tribute to Tradition'
'TBPM' (BPM (beats per minute))                     '116.924'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter'
'TDRC' (Recording time)                             '1999'
'TIT2' (Title/songname/content description)         'Stand by Your Man'
'TKEY' (Initial key)                                '5B'
'TPE1' (Lead performer(s)/Soloist(s))               'Dixie Chicks'
'TRCK' (Track number/Position in set)               '1'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['country', 'bluegrass', 'female vocalists', 'pop', 'folk']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.68 dB'
'TXXX:replaygain_track_peak'                        '0.510246'

========================== row from database ==========================
                                              'id'  231327
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Dixie Chicks/08 - Dixie Chicks - Live at the BBC - Stand by your man.mp3
                                         'working'  None
                                         'bitrate'  203
                                    'duration_sec'  236
                                           'genre'  ifs-songwriter
                                        'filesize'  6013425
                                           'mtime'  1637328827
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos 08 Live at the BBC your man ifs songwriter
                                      'tag_artist'  Dixie Chicks
                                     'tag_release'  Tribute to Tradition
                                       'tag_title'  Stand by Your Man
                                             'bpm'  116.924
                                    'search_title'  'by':2 'man':4 'stand':1 'your':3
                                   'search_artist'  'chicks':2 'dixie':1
                                  'search_release'  'to':2 'tradition':3 'tribute':1
                                     'search_rest'  '00singer':1 'at':5 'bbc':7 'eos':3 'ifs':10 'live':4 'man':9 'songwriter':2 'the':6 'your':8
                                    'search_combo'  '00singer':10 'at':14 'bbc':16 'by':2A 'chicks':6B 'dixie':5B 'eos':12 'ifs':19 'live':13 'man':4A,18 'songwriter':11 'stand':1A 'the':15 'to':8C 'tradition':9C 'tribute':7C 'your':3A,17
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  5B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-1', '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'  ['country', 'bluegrass', 'female vocalists', 'pop', 'folk']
                                        'tag_date'  1999
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1637328827.4352648  (2021-11-19 14:33:47)
                             'size'  6013425