======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '658'
                                          'artist'  'Antenna & Mark Du Mosch'
                                     'text_people'  ''
                                         'release'  'Nokia / Heights Machine EP'
                                           'title'  'Heights Machine'
                                           'quals'  ("['Q-MIXBEAT-3', 'Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-JZFKS-1', 'Q-OLDST-3', 'q-syn-4', 'q-bass-2', 'q-busy-3', 'q-grit-2', "
 "'q-play-2', 'q-chart-2', 'q-drums-4', 'q-other-1', 'q-piano-1', "
 "'q-vocals-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  '3'
                                            'date'  '2017'
                                        'comments'  ''
                                           'genre'  'electronic-th-techno-minimal or deephouse'
                                             'bpm'  '124.011'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Nokia / Heights Machine EP'
'TBPM' (BPM (beats per minute))                     '124.011'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-techno-minimal or deephouse'
'TDRC' (Recording time)                             '2017'
'TIT2' (Title/songname/content description)         'Heights Machine'
'TKEY' (Initial key)                                '4A'
'TPE1' (Lead performer(s)/Soloist(s))               'Mark Du Mosch'
'TPE2' (Band/orchestra/accompaniment)               'Antenna & Mark Du Mosch'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '3/3'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-MIXBEAT'                                    '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '4'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-2.04 dB'
'TXXX:replaygain_track_peak'                        '0.723622'

========================== row from database ==========================
                                              'id'  1389720
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/B1 Mark du Mosch - Heights Machine.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  658
                                           'genre'  electronic-th-techno-minimal or deephouse
                                        'filesize'  10532864
                                           'mtime'  1621085283
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] B1 du electronic th techno minimal or deephouse
                                      'tag_artist'  Antenna & Mark Du Mosch
                                     'tag_release'  Nokia / Heights Machine EP
                                       'tag_title'  Heights Machine
                                             'bpm'  124.011
                                    'search_title'  'heights':1 'machine':2
                                   'search_artist'  'antenna':1 'du':3 'mark':2 'mosch':4
                                  'search_release'  'ep':4 'heights':2 'machine':3 'nokia':1
                                     'search_rest'  '00poprockelectronic':1 'b1':7 'deephouse':14 'du':8 'electronic':9 'files':5,6 'loose':3,4 'minimal':12 'or':13 'techno':11 'th':10 'unsorted':2
                                    'search_combo'  '00poprockelectronic':11 'antenna':3B 'b1':17 'deephouse':24 'du':5B,18 'electronic':19 'ep':10C 'files':15,16 'heights':1A,8C 'loose':13,14 'machine':2A,9C 'mark':4B 'minimal':22 'mosch':6B 'nokia':7C 'or':23 'techno':21 'th':20 'unsorted':12
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'Q-MIXBEAT-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-4', 'q-chart-2', 'q-other-1', 'Q-HAP-2', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  2017
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621085282.915783  (2021-05-15 15:28:02)
                             'size'  10532864