======================== unified (from filesystem) ========================
                                         'bitrate'  '191.987'
                                        'duration'  '372'
                                          'artist'  'my mine'
                                     'text_people'  ''
                                         'release'  'CD1'
                                           'title'  'hypnotic tango'
                                           'quals'  ("['Q-SYN-3', 'Q-HAP-3', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-2', "
 "'Q-JZFKS-1', 'Q-OLDST-3', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-4', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['80s', 'eurodance', 'italo disco', 'electronic', 'disco']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1985'
                                        'comments'  ''
                                           'genre'  'electronic-th-ent-eurodance'
                                             'bpm'  '118.915'
                                             'key'  '6B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'CD1'
'TBPM' (BPM (beats per minute))                     '118.915'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-ent-eurodance'
'TDRC' (Recording time)                             '1985'
'TIT2' (Title/songname/content description)         'hypnotic tango'
'TKEY' (Initial key)                                '6B'
'TPE1' (Lead performer(s)/Soloist(s))               'my mine'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-SYN'                                        '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['80s', 'eurodance', 'italo disco', 'electronic', 'disco']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+8.54 dB'
'TXXX:replaygain_track_peak'                        '0.140722'

========================== row from database ==========================
                                              'id'  1324355
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/CD1_01_my mine - hypnotic tango.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  372
                                           'genre'  electronic-th-ent-eurodance
                                        'filesize'  8934070
                                           'mtime'  1639511351
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] CD1_01_my electronic th ent eurodance
                                      'tag_artist'  my mine
                                     'tag_release'  CD1
                                       'tag_title'  hypnotic tango
                                             'bpm'  118.915
                                    'search_title'  'hypnotic':1 'tango':2
                                   'search_artist'  'mine':2 'my':1
                                  'search_release'  'cd1':1
                                     'search_rest'  '00poprockelectronic':1 '01':8 'cd1':7 'electronic':10 'ent':12 'eurodance':13 'files':5,6 'loose':3,4 'my':9 'th':11 'unsorted':2
                                    'search_combo'  '00poprockelectronic':6 '01':13 'cd1':5C,12 'electronic':15 'ent':17 'eurodance':18 'files':10,11 'hypnotic':1A 'loose':8,9 'mine':4B 'my':3B,14 'tango':2A 'th':16 'unsorted':7
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  6B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-2', '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-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['80s', 'eurodance', 'italo disco', 'electronic', 'disco']
                                        'tag_date'  1985
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1639511350.766318  (2021-12-14 20:49:10)
                             'size'  8934070