======================== unified (from filesystem) ========================
                                         'bitrate'  '215.964'
                                        'duration'  '252'
                                          'artist'  'Diamond Nights'
                                     'text_people'  ''
                                         'release'  'Popsicle'
                                           'title'  'Saturday Fantastic'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['indie', 'glam rock', 'indie rock', 'rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-rock'
                                             'bpm'  '137.946'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Popsicle'
'TBPM' (BPM (beats per minute))                     '137.946'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie-rock'
'TDRC' (Recording time)                             '2005'
'TIT2' (Title/songname/content description)         'Saturday Fantastic'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Diamond Nights'
'TRCK' (Track number/Position in set)               '2'
'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:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['indie', 'glam rock', 'indie rock', 'rock']
'TXXX:original release date'                        ['2005', '2005']
'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'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.71 dB'
'TXXX:replaygain_track_peak'                        '0.382461'

========================== row from database ==========================
                                              'id'  1373992
                                            'path'  /data/Music/Bulk/00poprockelectronic-poprock-indierock/Diamond Nights/popsicle/02 saturday fantastic - diamond nights.mp3
                                         'working'  None
                                         'bitrate'  216
                                    'duration_sec'  252
                                           'genre'  ifs-songwriter-indie-rock
                                        'filesize'  6814522
                                           'mtime'  1637330302
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic poprock indierock popsicle 02 saturday fantastic diamond nights ifs songwriter indie rock
                                      'tag_artist'  Diamond Nights
                                     'tag_release'  Popsicle
                                       'tag_title'  Saturday Fantastic
                                             'bpm'  137.946
                                    'search_title'  'fantastic':2 'saturday':1
                                   'search_artist'  'diamond':1 'nights':2
                                  'search_release'  'popsicle':1
                                     'search_rest'  '00poprockelectronic':1 'diamond':7 'fantastic':6 'ifs':9 'indie':11 'indierock':3 'nights':8 'poprock':2 'popsicle':4 'rock':12 'saturday':5 'songwriter':10
                                    'search_combo'  '00poprockelectronic':6 'diamond':3B,12 'fantastic':2A,11 'ifs':14 'indie':16 'indierock':8 'nights':4B,13 'poprock':7 'popsicle':5C,9 'rock':17 'saturday':1A,10 'songwriter':15
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', '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-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'glam rock', 'indie rock', 'rock']
                                        'tag_date'  2005
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1637330302.354687  (2021-11-19 14:58:22)
                             'size'  6814522