======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '411'
                                          'artist'  'Rilo Kiley'
                                     'text_people'  ''
                                         'release'  'Take Offs and Landings'
                                           'title'  'Pictures of Success'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', "
 "'Q-JZFKS-1', 'q-syn-2', 'q-bass-4', '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', 'female vocalists', 'favorites', 'indie rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  ''
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter;ifs-songwriter-indie-pop'
                                             'bpm'  '88.399'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Take Offs and Landings'
'TBPM' (BPM (beats per minute))                     '88.399'
'TCON' (Content type, a.k.a. Genre)                 ['ifs-songwriter', 'ifs-songwriter-indie-pop']
'TDRC' (Recording time)                             '2001'
'TIT2' (Title/songname/content description)         'Pictures of Success'
'TKEY' (Initial key)                                '10B'
'TPE1' (Lead performer(s)/Soloist(s))               'Rilo Kiley'
'TRCK' (Track number/Position in set)               '4'
'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', 'female vocalists', 'favorites', 'indie rock']
'TXXX:q-bass'                                       '4'
'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'                        '+0.29 dB'
'TXXX:replaygain_track_peak'                        '0.463492'

========================== row from database ==========================
                                              'id'  177874
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Rilo Kiley/Take-Offs & Landings/04 - pictures of success.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  411
                                           'genre'  ifs-songwriter;ifs-songwriter-indie-pop
                                        'filesize'  9879725
                                           'mtime'  1628356149
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos & 04 pictures success ifs songwriter;ifs songwriter indie pop
                                      'tag_artist'  Rilo Kiley
                                     'tag_release'  Take Offs and Landings
                                       'tag_title'  Pictures of Success
                                             'bpm'  88.399
                                    'search_title'  'of':2 'pictures':1 'success':3
                                   'search_artist'  'kiley':2 'rilo':1
                                  'search_release'  'and':3 'landings':4 'offs':2 'take':1
                                     'search_rest'  '00singer':1 'eos':3 'ifs':6,8,10 'indie':11 'pictures':4 'pop':12 'songwriter':2,7,9 'success':5
                                    'search_combo'  '00singer':10 'and':8C 'eos':12 'ifs':15,17,19 'indie':20 'kiley':5B 'landings':9C 'of':2A 'offs':7C 'pictures':1A,13 'pop':21 'rilo':4B 'songwriter':11,16,18 'success':3A,14 'take':6C
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  10B
                                           '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-4', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'female vocalists', 'favorites', 'indie rock']
                                        'tag_date'  2001
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1628356149.3085508  (2021-08-07 19:09:09)
                             'size'  9879725