======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '102'
                                          'artist'  'Smog'
                                     'text_people'  ''
                                         'release'  'Expedition Vol. 4 Nights'
                                           'title'  'Flying'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-3', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['indie', 'lo fi', 'alt country', 'folk', 'singer songwriter']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  ''
                                            'date'  '2015'
                                        'comments'  ''
                                           'genre'  'hip hop or rnb or rap or turntablism-chillhop;ifs-songwriter-folk'
                                             'bpm'  '150.00'
                                             'key'  '11A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Expedition Vol. 4 Nights'
'TBPM' (BPM (beats per minute))                     '150.00'
'TCON' (Content type, a.k.a. Genre)                 ['hip hop or rnb or rap or turntablism-chillhop', 'ifs-songwriter-folk']
'TDRC' (Recording time)                             '2015'
'TIT2' (Title/songname/content description)         'Flying'
'TKEY' (Initial key)                                '11A'
'TPE1' (Lead performer(s)/Soloist(s))               'Smog'
'TRCK' (Track number/Position in set)               '8'
'TSSE' (Software/Hardware and settings used for encoding)  'Lame3.99'
'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:lastfmtags'                                   ['indie', 'lo fi', 'alt country', 'folk', 'singer songwriter']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-2.10 dB'
'TXXX:replaygain_track_peak'                        '0.841179'

========================== row from database ==========================
                                              'id'  1240000
                                            'path'  /data/Music/Bulk/00popandrock-hiphop-rap-rnb-turntablism/Smog - Expedition Vol. 4 Nights/08 - Flying.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  102
                                           'genre'  hip hop or rnb or rap or turntablism-chillhop;ifs-songwriter-folk
                                        'filesize'  4109551
                                           'mtime'  1620592487
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock hiphop rap rnb turntablism 08 hip hop or rnb or rap or turntablism chillhop;ifs songwriter folk
                                      'tag_artist'  Smog
                                     'tag_release'  Expedition Vol. 4 Nights
                                       'tag_title'  Flying
                                             'bpm'  150.0
                                    'search_title'  'flying':1
                                   'search_artist'  'smog':1
                                  'search_release'  '4':4 'expedition':1 'nights':5 'vol':2,3
                                     'search_rest'  'chillhop':8,10 'folk':13 'hip':5 'hiphop':1 'hop':6 'ifs':9,11 'or':7 'rap':2 'rnb':3 'songwriter':12 'turntablism':4
                                    'search_combo'  '4':6C 'chillhop':15,17 'expedition':3C 'flying':1A 'folk':20 'hip':12 'hiphop':8 'hop':13 'ifs':16,18 'nights':7C 'or':14 'rap':9 'rnb':10 'smog':2B 'songwriter':19 'turntablism':11 'vol':4C,5C
                                    'tag_tracknum'  8
                                      'num_images'  0
                                             'key'  11A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'lo fi', 'alt country', 'folk', 'singer songwriter']
                                        'tag_date'  2015
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620592486.915483  (2021-05-09 22:34:46)
                             'size'  4109551