======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '233'
                                          'artist'  'Tara Maclean'
                                     'text_people'  ''
                                         'release'  'Passenger'
                                           'title'  'Poor Boy'
                                           'quals'  ("['Q-HAP-2', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-JZFKS-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'  "['canadian', 'female vocalists', 'folk', 'pop', 'singer songwriter']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  ''
                                            'date'  '1999'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter'
                                             'bpm'  '92.013'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Passenger'
'TBPM' (BPM (beats per minute))                     '92.013'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter'
'TDRC' (Recording time)                             '1999'
'TIT2' (Title/songname/content description)         'Poor Boy'
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               'Tara Maclean'
'TRCK' (Track number/Position in set)               '9'
'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'                                   ['canadian', 'female vocalists', 'folk', 'pop', 'singer songwriter']
'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'                        '-1.74 dB'
'TXXX:replaygain_track_peak'                        '0.520857'

========================== row from database ==========================
                                              'id'  186591
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Tara Maclean/MBZ;#Tara MacLean;#Passenger;#09;#Poor Boy.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  233
                                           'genre'  ifs-songwriter
                                        'filesize'  3737118
                                           'mtime'  1637330575
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos MBZ;#Tara MacLean;#Passenger;#09;#Poor ifs songwriter
                                      'tag_artist'  Tara Maclean
                                     'tag_release'  Passenger
                                       'tag_title'  Poor Boy
                                             'bpm'  92.013
                                    'search_title'  'boy':2 'poor':1
                                   'search_artist'  'maclean':2 'tara':1
                                  'search_release'  'passenger':1
                                     'search_rest'  '00singer':1 '09':10,14,20,24 'eos':3 'ifs':16 'lean':18,22 'mac':17 'maclean':8,12 'mbz':4,6 'passenger':9,13,19,23 'poor':11,15,21,25 'songwriter':2 'tara':5,7
                                    'search_combo'  '00singer':6 '09':15,19,25,29 'boy':2A 'eos':8 'ifs':21 'lean':23,27 'mac':22 'maclean':4B,13,17 'mbz':9,11 'passenger':5C,14,18,24,28 'poor':1A,16,20,26,30 'songwriter':7 'tara':3B,10,12
                                    'tag_tracknum'  9
                                      'num_images'  0
                                             'key'  5A
                                           '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'  ['canadian', 'female vocalists', 'folk', 'pop', 'singer songwriter']
                                        'tag_date'  1999
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1637330575.4575775  (2021-11-19 15:02:55)
                             'size'  3737118