======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '239'
                                          'artist'  'Moby'
                                     'text_people'  ''
                                         'release'  'Ambient'
                                           'title'  'Lean on Me'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-UNU-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['electronica', 'alternative', 'electronic', 'chillout', 'ambient']"
                                     'discogstags'  "['electronic', 'house', 'techno', 'ambient']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  ''
                                            'date'  '1993'
                                        'comments'  ''
                                           'genre'  'electronic'
                                             'bpm'  '88.399'
                                             'key'  '8B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Ambient'
'TBPM' (BPM (beats per minute))                     '88.399'
'TCON' (Content type, a.k.a. Genre)                 'electronic'
'TDOR' (Original release time)                      '1993'
'TDRC' (Recording time)                             '1993'
'TIT2' (Title/songname/content description)         'Lean on Me'
'TKEY' (Initial key)                                '8B'
'TPE1' (Lead performer(s)/Soloist(s))               'Moby'
'TRCK' (Track number/Position in set)               '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', 'house', 'techno', 'ambient']
'TXXX:lastfmtags'                                   ['electronica', 'alternative', 'electronic', 'chillout', 'ambient']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.42 dB'
'TXXX:replaygain_track_peak'                        '0.597885'

========================== row from database ==========================
                                              'id'  1347914
                                            'path'  /data/Music/Bulk/00poprockelectronic/Moby/MBZ;#Moby;#Ambient;#12;#Lean on Me.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  239
                                           'genre'  electronic
                                        'filesize'  3836311
                                           'mtime'  1636914179
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic MBZ;#Moby;#Ambient;#12;#Lean electronic
                                      'tag_artist'  Moby
                                     'tag_release'  Ambient
                                       'tag_title'  Lean on Me
                                             'bpm'  88.399
                                    'search_title'  'lean':1 'me':3 'on':2
                                   'search_artist'  'moby':1
                                  'search_release'  'ambient':1
                                     'search_rest'  '00poprockelectronic':1 '12':5,10 'ambient':4,9 'electronic':12 'lean':6,11 'mbz':2,7 'moby':3,8
                                    'search_combo'  '00poprockelectronic':6 '12':10,15 'ambient':5C,9,14 'electronic':17 'lean':1A,11,16 'mbz':7,12 'me':3A 'moby':4B,8,13 'on':2A
                                    'tag_tracknum'  12
                                      'num_images'  0
                                             'key'  8B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', '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-4', 'q-syn-3', 'q-chart-4', 'q-other-1', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['electronica', 'alternative', 'electronic', 'chillout', 'ambient']
                                        'tag_date'  1993
                                     'discogstags'  ['electronic', 'house', 'techno', 'ambient']

============================== file details ==============================
                                           'mtime'  1636914178.657024  (2021-11-14 19:22:58)
                             'size'  3836311