======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '246'
                                          'artist'  'Farm'
                                     'text_people'  ''
                                         'release'  'Sounds of the 80s'
                                           'title'  'Groovy Train'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', 'q-syn-3', "
 "'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-3', 'q-drums-4', "
 "'q-other-2', 'q-piano-1', 'q-vocals-3', 'Q-HHRNBTT-1', 'q-mixbeat-3']")
                                      'lastfmtags'  "['madchester', 'indie', 'british', 'alternative', 'liverpool']"
                                     'discogstags'  "['blues rock', 'psychedelic rock', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1985'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio'
                                             'bpm'  '115.589'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Sounds of the 80s'
'TBPM' (BPM (beats per minute))                     '115.589'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio'
'TDRC' (Recording time)                             '1985'
'TIT2' (Title/songname/content description)         'Groovy Train'
'TKEY' (Initial key)                                '9B'
'TPE1' (Lead performer(s)/Soloist(s))               'Farm'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'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'                                  ['blues rock', 'psychedelic rock', 'rock']
'TXXX:lastfmtags'                                   ['madchester', 'indie', 'british', 'alternative', 'liverpool']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'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'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.14 dB'
'TXXX:replaygain_track_peak'                        '0.473335'

========================== row from database ==========================
                                              'id'  1526305
                                            'path'  /data/Music/Bulk/00poprockelectronic-generic-dance-trapbeat/Sounds Of The 80s (480 songs)/Farm - Groovy Train.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  246
                                           'genre'  electronic-generic or radio
                                        'filesize'  3943666
                                           'mtime'  1630243150
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic generic dance trapbeat Of The (480 songs) electronic generic or radio
                                      'tag_artist'  Farm
                                     'tag_release'  Sounds of the 80s
                                       'tag_title'  Groovy Train
                                             'bpm'  115.589
                                    'search_title'  'groovy':1 'train':2
                                   'search_artist'  'farm':1
                                  'search_release'  '80s':4 'of':2 'sounds':1 'the':3
                                     'search_rest'  '00poprockelectronic':1 '480':7,8 'dance':3 'electronic':11 'generic':2 'of':5 'or':12 'radio':13 'songs':9,10 'the':6 'trapbeat':4
                                    'search_combo'  '00poprockelectronic':8 '480':14,15 '80s':7C 'dance':10 'electronic':18 'farm':3B 'generic':9 'groovy':1A 'of':5C,12 'or':19 'radio':20 'songs':16,17 'sounds':4C 'the':6C,13 'train':2A 'trapbeat':11
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  9B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', '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-3', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['madchester', 'indie', 'british', 'alternative', 'liverpool']
                                        'tag_date'  1985
                                     'discogstags'  ['blues rock', 'psychedelic rock', 'rock']

============================== file details ==============================
                                           'mtime'  1630243149.8228948  (2021-08-29 15:19:09)
                             'size'  3943666