======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '253'
                                          'artist'  'Moby'
                                     'text_people'  ''
                                         'release'  'Mobysongs (1993-1998)'
                                           'title'  "When It's Cold I'd Like To Die"
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-UNU-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['electronica', 'alternative', 'electronic', 'chillout', 'ambient']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '14'
                                      'tracktotal'  ''
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'electronic'
                                             'bpm'  '146.000'
                                             'key'  '8B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Mobysongs (1993-1998)'
'TBPM' (BPM (beats per minute))                     '146.000'
'TCON' (Content type, a.k.a. Genre)                 'electronic'
'TDRC' (Recording time)                             '2001'
'TIT2' (Title/songname/content description)         "When It's Cold I'd Like To Die"
'TKEY' (Initial key)                                '8B'
'TPE1' (Lead performer(s)/Soloist(s))               'Moby'
'TRCK' (Track number/Position in set)               '14'
'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:lastfmtags'                                   ['electronica', 'alternative', 'electronic', 'chillout', 'ambient']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.16 dB'
'TXXX:replaygain_track_peak'                        '0.858287'

========================== row from database ==========================
                                              'id'  1292159
                                            'path'  /data/Music/Bulk/00poprockelectronic/Moby/MBZ;#Moby;#Mobysongs (1993-1998);#14;#When Its Cold Id Like To Die.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  253
                                           'genre'  electronic
                                        'filesize'  6086473
                                           'mtime'  1636914181
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic MBZ;#Moby;#Mobysongs 1998);#14;#When Its Id electronic
                                      'tag_artist'  Moby
                                     'tag_release'  Mobysongs (1993-1998)
                                       'tag_title'  When It's Cold I'd Like To Die
                                             'bpm'  146.0
                                    'search_title'  'cold':5 'd':7 'die':11 'i':6 'id':8 'it':2 'its':4 'like':9 's':3 'to':10 'when':1
                                   'search_artist'  'moby':1
                                  'search_release'  '1993':2 '19931998':4 '1998':3 'mobysongs':1
                                     'search_rest'  '00poprockelectronic':1 '14':9,12 '1998':8,11 'electronic':16 'id':15 'its':14 'mbz':2,5 'moby':3,6 'mobysongs':4,7 'when':10,13
                                    'search_combo'  '00poprockelectronic':17 '14':25,28 '1993':14C '19931998':16C '1998':15C,24,27 'cold':5A 'd':7A 'die':11A 'electronic':32 'i':6A 'id':8A,31 'it':2A 'its':4A,30 'like':9A 'mbz':18,21 'moby':12B,19,22 'mobysongs':13C,20,23 's':3A 'to':10A 'when':1A,26,29
                                    'tag_tracknum'  14
                                      '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-1', 'q-syn-3', 'q-chart-4', 'q-other-4', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['electronica', 'alternative', 'electronic', 'chillout', 'ambient']
                                        'tag_date'  2001
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636914180.528622  (2021-11-14 19:23:00)
                             'size'  6086473