======================== unified (from filesystem) ========================
                                         'bitrate'  '180.942'
                                        'duration'  '313'
                                          'artist'  'Jason Mraz'
                                     'text_people'  ''
                                         'release'  'Mr. A-Z'
                                           'title'  'Plane'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-4', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['acoustic', 'alternative', 'rock', 'pop', 'singer songwriter']"
                                     'discogstags'  "['rock', 'soft rock', 'pop rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  ''
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter'
                                             'bpm'  '119.900'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Mr. A-Z'
'TBPM' (BPM (beats per minute))                     '119.900'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter'
'TDRC' (Recording time)                             '2005'
'TIT2' (Title/songname/content description)         'Plane'
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'Jason Mraz'
'TRCK' (Track number/Position in set)               '8'
'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', 'soft rock', 'pop rock']
'TXXX:lastfmtags'                                   ['acoustic', 'alternative', 'rock', 'pop', 'singer songwriter']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.14 dB'
'TXXX:replaygain_track_peak'                        '0.379944'

========================== row from database ==========================
                                              'id'  194411
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Jason Mraz/Jason Marz - Mr A-Z (2005)/08 - Plane.mp3
                                         'working'  None
                                         'bitrate'  180
                                    'duration_sec'  313
                                           'genre'  ifs-songwriter
                                        'filesize'  7103002
                                           'mtime'  1637249145
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos Marz (2005) 08 ifs songwriter
                                      'tag_artist'  Jason Mraz
                                     'tag_release'  Mr. A-Z
                                       'tag_title'  Plane
                                             'bpm'  119.9
                                    'search_title'  'plane':1
                                   'search_artist'  'jason':1 'mraz':2
                                  'search_release'  'a':3 'az':5 'mr':1,2 'z':4
                                     'search_rest'  '00singer':1 '2005':5,6 'eos':3 'ifs':7 'marz':4 'songwriter':2
                                    'search_combo'  '00singer':9 '2005':13,14 'a':6C 'az':8C 'eos':11 'ifs':15 'jason':2B 'marz':12 'mr':4C,5C 'mraz':3B 'plane':1A 'songwriter':10 'z':7C
                                    'tag_tracknum'  8
                                      'num_images'  0
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', '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-2', 'q-syn-2', 'q-chart-4', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['acoustic', 'alternative', 'rock', 'pop', 'singer songwriter']
                                        'tag_date'  2005
                                     'discogstags'  ['rock', 'soft rock', 'pop rock']

============================== file details ==============================
                                           'mtime'  1637249144.9437487  (2021-11-18 16:25:44)
                             'size'  7103002