======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '245'
                                          'artist'  'Peeping Tom'
                                     'text_people'  ''
                                         'release'  'Liquidsand'
                                           'title'  'Things Are Often...'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['electronic', 'alternative', 'trip hop', 'experimental', 'mike patton']"
                                     'discogstags'  "['electronic', 'downtempo']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '01'
                                      'tracktotal'  '12'
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'electronic-trip hop or downtempo or acid jazz'
                                             'bpm'  '95.348'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Liquidsand'
'TBPM' (BPM (beats per minute))                     '95.348'
'TCON' (Content type, a.k.a. Genre)                 'electronic-trip hop or downtempo or acid jazz'
'TDRC' (Recording time)                             '2000'
'TIT2' (Title/songname/content description)         'Things Are Often...'
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'Peeping Tom'
'TPE2' (Band/orchestra/accompaniment)               'Peeping Tom'
'TRCK' (Track number/Position in set)               '01/12'
'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'                                  ['electronic', 'downtempo']
'TXXX:lastfmtags'                                   ['electronic', 'alternative', 'trip hop', 'experimental', 'mike patton']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.32 dB'
'TXXX:replaygain_track_peak'                        '0.430433'

========================== row from database ==========================
                                              'id'  1376057
                                            'path'  /data/Music/Bulk/00poprockelectronic/00trip/Peeping Tom/2000 - peeping tom - liquidsand (album) (320 kbs)/01. Things Are Often.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  245
                                           'genre'  electronic-trip hop or downtempo or acid jazz
                                        'filesize'  9819115
                                           'mtime'  1636910856
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00trip 2000 peeping tom liquidsand (album) (320 kbs) 01. electronic trip hop or downtempo or acid jazz
                                      'tag_artist'  Peeping Tom
                                     'tag_release'  Liquidsand
                                       'tag_title'  Things Are Often...
                                             'bpm'  95.348
                                    'search_title'  'are':2 'often':3,4 'things':1
                                   'search_artist'  'peeping':1 'tom':2
                                  'search_release'  'liquidsand':1
                                     'search_rest'  '00poprockelectronic':1 '00trip':2 '01':13,14 '2000':3 '320':9,10 'acid':20 'album':7,8 'downtempo':19 'electronic':15 'hop':17 'jazz':21 'kbs':11,12 'liquidsand':6 'or':18 'peeping':4 'tom':5 'trip':16
                                    'search_combo'  '00poprockelectronic':8 '00trip':9 '01':20,21 '2000':10 '320':16,17 'acid':27 'album':14,15 'are':2A 'downtempo':26 'electronic':22 'hop':24 'jazz':28 'kbs':18,19 'liquidsand':7C,13 'often':3A,4A 'or':25 'peeping':5B,11 'things':1A 'tom':6B,12 'trip':23
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['electronic', 'alternative', 'trip hop', 'experimental', 'mike patton']
                                        'tag_date'  2000
                                     'discogstags'  ['electronic', 'downtempo']

============================== file details ==============================
                                           'mtime'  1636910856.449017  (2021-11-14 18:27:36)
                             'size'  9819115