======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '294'
                                          'artist'  'Sandra'
                                     'text_people'  ''
                                         'release'  'The Long Play'
                                           'title'  "Heartbeat (That's Emotion)"
                                           'quals'  ("['Q-HAP-4', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-1', 'q-busy-3', 'q-grit-1', 'q-play-3', "
 "'q-chart-3', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['80s', 'dance', 'german', 'female vocalists', 'pop']"
                                     'discogstags'  "['electronic', 'pop', 'synth-pop', 'euro-disco']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  ''
                                            'date'  '1985'
                                        'comments'  ''
                                           'genre'  'electronic-we-disco or italo'
                                             'bpm'  '122.437'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'The Long Play'
'TBPM' (BPM (beats per minute))                     '122.437'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-disco or italo'
'TDRC' (Recording time)                             '1985'
'TIT2' (Title/songname/content description)         "Heartbeat (That's Emotion)"
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Sandra'
'TRCK' (Track number/Position in set)               '6'
'TXXX:Q-HAP'                                        '4'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['electronic', 'pop', 'synth-pop', 'euro-disco']
'TXXX:lastfmtags'                                   ['80s', 'dance', 'german', 'female vocalists', 'pop']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.80 dB'
'TXXX:replaygain_track_peak'                        '0.730619'

========================== row from database ==========================
                                              'id'  1314191
                                            'path'  /data/Music/Bulk/00poprockelectronic-waves-disco/00disco-italo/Sandra/1985 - Sandra - The Long Play/Sandra - The Long Play - 06 - Heartbeat.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  294
                                           'genre'  electronic-we-disco or italo
                                        'filesize'  7079426
                                           'mtime'  1620610756
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic waves disco 00disco italo 1985 06 electronic we disco or italo
                                      'tag_artist'  Sandra
                                     'tag_release'  The Long Play
                                       'tag_title'  Heartbeat (That's Emotion)
                                             'bpm'  122.437
                                    'search_title'  'emotion':5,6 'heartbeat':1 's':3 'that':2 'thats':4
                                   'search_artist'  'sandra':1
                                  'search_release'  'long':2 'play':3 'the':1
                                     'search_rest'  '00disco':4 '00poprockelectronic':1 '1985':6 'disco':3 'electronic':7 'italo':5 'or':9 'waves':2 'we':8
                                    'search_combo'  '00disco':14 '00poprockelectronic':11 '1985':16 'disco':13 'electronic':17 'emotion':5A,6A 'heartbeat':1A 'italo':15 'long':9C 'or':19 'play':10C 's':3A 'sandra':7B 'that':2A 'thats':4A 'the':8C 'waves':12 'we':18
                                    'tag_tracknum'  6
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-3', 'q-other-2', 'Q-HAP-4', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['80s', 'dance', 'german', 'female vocalists', 'pop']
                                        'tag_date'  1985
                                     'discogstags'  ['electronic', 'pop', 'synth-pop', 'euro-disco']

============================== file details ==============================
                                           'mtime'  1620610755.541452  (2021-05-10 03:39:15)
                             'size'  7079426